This is the drop down list for images sources but USACoinBook.com doesn't seen to be in it.
A. H. Baldwin & Sons Ltd (www.baldwin.co.uk)
A. Tkalec AG (www.eauctions.ch)
A.Karamitsos International Auctions (www.karamitsos.com)
ABC Coins & Tokens (www.abccoinsandtokens.com)
Aboutfarthings (aboutfarthings.co.uk/catalogue/)
Alexander's Coins (www.alexcoins.com)
Alfa Numismatics (www.alfa-numismatics.dk)
Altaycoins (altaycoins.com)
AMCC (www.amcoinscanada.com)
American Numismatic Society (ANS) (numismatics.org/search/)
Antykwariat Numizmatyczny - Michał Niemczyk (www.niemczyk.pl)
Anumis (www.anumis.ru)
ArabianCoins (www.instagram.com/arabiancoins/)
ARG Collectibles (www.argcollectibles.com)
Artemide Aste (www.artemideaste.com)
Asian African Art (www.asianafricanart.com)
Asociaţia Culturală "Memoria Sucevei", Bogdan Costin, Alexandru Pînzar (CC BY-NC-ND 3.0) (monederomanesti.cimec.ro)
Aste Bolaffi (www.astebolaffi.it/en)
Auction House Alexander (www.adacoins.ru)
Auctiones GmbH (www.auctiones.ch)
Auktionen Frühwald (www.auktionen-fruehwald.com)
Auktionen Münzhandlung Sonntag (www.ams-stuttgart.de)
Auktionen und Münzhandel - Dr. Christoph Stadler e.K. (www.ma-shops.co.uk/stadler/index.php)
Auktionshaus Christoph Gärtner GmbH & Co. KG (www.auktionen-gaertner.de)
Auktionshaus Ulrich Felzmann GmbH & Co. KG (www.felzmann.de)
AUREA Numismatika (www.aurea.cz)
Aureo & Calicó S.L., subastas numismáticas (www.aureo.com)
Aurora Numismatica (www.auroranumismatica.com)
AV-Coins (www.av-coins.com)
AW - Auction World (en.auction-world.co)
Baldwins of St James Ltd (bsjauctions.com)
Banca Națională a Moldovei (www.bnm.md)
Banca Naţională a României (www.bnr.ro)
Banco Central de Reserva del Perú (www.bcrp.gob.pe)
Bank Note Museum (www.banknote.ws)
Bank of Abkhazia (nb-ra.org)
Bank of Albania (www.bankofalbania.org)
Bank of Cyprus Foundation & The Cyprus Institute (numismatics-medieval.dioptra.cyi.ac.cy)
Bank of England (www.bankofengland.co.uk)
Bank of Russia (www.cbr.ru)
Banque du Liban (bdl.gov.lb)
Beast Coins (www.beastcoins.com)
Bein Numismatics (www.bein-numismatics.ch)
Bertolami Fine Arts (www.bertolamifinearts.com)
Bibliothèque nationale de France (www.bnf.fr)
Biljamie (www.billjamie.com.)
Billetes Argentinos (www.billetesargentinos.com.ar)
Black Mountain Coins (www.blackmountaincoins.com)
Bolaffi S.p.A. (www.bolaffi.it)
Briefmarken- und Münzhaus Fürth (www.ma-shops.nl/fuerth/)
British Museum (www.britishmuseum.org)
Bruun Rasmussen Kunstauktioner (bruun-rasmussen.dk/m/)
Bullion Exchanges (bullionexchanges.com)
Burstow and Hewett Auctioneers (www.burstowandhewett.co.uk)
Calgary Coin (www.calgarycoin.com)
Central Bank of Cyprus (www.centralbank.gov.cy)
Central Bank of Jordan (www.cbj.gov.jo)
Česká Společnost Přátel Drobné Plastiky (www.numismatika.cz/web/Plastika/Plastika.pdf)
CGB (www.cgb.fr)
Change Checker (www.changechecker.org)
Chaponnière et Firmenich SA (www.cfnumis.com)
Charles Snowden Coins (www.charlessnowdencoins.com)
Chiefa Coins (www.chiefacoins.com)
China Gold Coin (www.chngc.net)
CHS Basel (www.ma-shops.com/sesambestcoins/)
Ciscoins.net (ciscoins.net)
Classical Numismatic Gallery (classicalnumismaticgallery.com)
Classical Numismatic Group, Inc. (www.cngcoins.com)
Coin Invest (www.coin-invest.li)
Coinpicture (coinpicture.blogspot.com)
Coins of Singapore (gallery.coinsofsingapore.com)
Coins of the Principality of Tver and the Tver possessions (www.tver-moneta.ru)
Coins-SPB (www.coins-spb.ru)
Coins, Banknotes & Militaria Store (www.cbm-store.com)
Coins.ee (coins.ee)
Coinsmania (www.coinsmania.gr/cms/)
Colonial Collectables.com (www.colonialcollectables.com)
Comptoir des Monnaies (www.comptoir-des-monnaies.com)
Copper Bullion & Coins (www.copperbullioncoin.com)
Cristian Dincă (pub.academia.edu/CristophDC)
Croatian Monetary Institute (www.hnz.hr/en/shop/)
Daniel's Coin Zoo (www.coinzoo.net)
Danmarks Nationalbank (www.nationalbanken.dk/en/Pages/Default.aspx)
Davissons Ltd (davcoin.com)
Dazzling Coins (dazzlingcoins.com)
Declan Magee Coins (www.declanmageecoins.co.uk)
Dema Yuri (dema.com.ua)
Dix Noonan Webb (www.dnw.co.uk)
DNECoins (www.dnecoins.com)
Dom Aukcyjny Numimarket.pl (numimarket.pl)
Dutch Numismatic Auction (dutchnumismaticauction.com)
Dvin Numismatik (www.dvinnumismatik.com)
Eastgate Stamps and Coins (sastamps.com)
Éditions V. Gadoury (www.gadoury.com)
Eesti Pank (www.eestipank.ee)
Emirates Minting Factory (www.instagram.com/emiratesminting/)
emonnaies.fr (www.emonnaies.fr)
Emporium Hamburg (www.emporium-hamburg.com)
Eur-Seree Collecting (www.eurseree.com)
Filatelie Klim (filatelie-klim.com/cz/)
First Coin Company > (www.firstcoincompany.com)
Frankfurter Münzhandlung (www.frankfurter-muenzhandlung.de)
Fritz Rudolf Künker GmbH & Co. KG, Osnabrück and Lübke & Wiedemann KG, Leonberg (www.kuenker.com)
Gabinet Numizmatyczny D. Marciniak (www.gndm.pl)
Geldmuseum der Oesterreichischen Nationalbank (www.oenb.at/Ueber-Uns/Geldmuseum.html)
Gemini Numismatic Auctions LLC (www.geminiauction.com)
GENI (www.geni.expert)
Geoffrey Bell Auctions (www.gbellauctions.com)
Gimbert Numismatique (www.gimbert-numismatique.com)
Ginza Coins (shop.ginzacoins.co.jp/.en/auction/past_events/)
Global Coins (www.gcoins.net)
GNDM (archiwum.gndm.pl)
GreatCollections Coin Auctions (www.greatcollections.com)
Greekbanknotes.com (www.greekbanknotes.com)
Greekcoins (www.greekcoins.gr)
H. D. Rauch (www.hdrauch.com/site/de/index.php?lang=en)
Haljak Coin Auction (www.ghcoin.ee/index.phtml)
Harlan J. Berk, LTD (www.hjbltd.com)
Heidelberger Münzhandlung Herbert Grün e.K. (www.hdmhg.de)
Heritage Auctions (www.ha.com)
Heritage Auctions Europe (www.mpoauctions.com)
Hermitage Fine Art (hermitagefineart.com)
Hess Divo (www.hessdivo.com)
Hong Kong Philatelic & Numismatic Company (www.hkpnc.com)
House of Collections (www.house-of-collections.ch)
HVB Stiftung Geldscheinsammlung München (www.geldscheinsammlung.de)
iBelgica (www.ibelgica.be)
iBertrand.be (www.ibertrand.be)
Ilustrowany Skorowidz Pieniêdzy Polskich i z Polska Zwiazanych (ptn.pl)
In the World of Coins (www.mycoinsworld.com)
InAsta (asta.inasta.com)
INCM (www.incm.pt)
Ingemars Myntsida (www.ingemars.se)
Institut für Klassische Archäologie der Universität Tübingen (www.ikmk.uni-tuebingen.de/home?lang=de)
Institute of Archaeology, University of Warsaw (www.archeologia.uw.edu.pl/en/new-main-page/)
Institute of Classics/University of Graz (informationsmodellierung.uni-graz.at/de/)
iNumis (www.inumis.com)
Ira & Larry Goldberg Auctioneers (www.goldbergcoins.com)
Israel Coins and Medals Corp. (israelmint.com)
IUN - Instituto Uruguayo de Numismática (iunuy.org)
Japan Mint (www.mint.go.jp)
Jean Elsen & ses Fils s.a. (www.elsen.eu)
Jerseycoins (jerseycoins.com)
Jesús Vico S.A. (www.jesusvico.es)
JM Bullion (www.jmbullion.com)
Kaliningrad Coin and Token Mint (www.cayso.ru/index.html)
Katz Coins Notes & Supplies Corp. (www.katzauction.com)
kazcoins.com (www.kazcoins.com)
Ken Dorney (www.coolcoins.com)
Kirill Babayev (www.babaev.net/blank-7)
Kittlecoins (www.kittlecoins.com)
Kladokop (www.kladokop.ru)
KM-NUMIS (www.km-numis.cz)
Kölner Münzkabinett Tyll Kroha Nachfolger UG (www.koelner-muenzkabinett.de)
Koninklijke Nederlandse Munt (www.knm.nl)
Kulturstiftung Sachsen-Anhalt - Kunstmuseum Moritzburg Halle (Saale) (www.kunstmuseum-moritzburg.de)
Kungliga Myntkabinettet (www.myntkabinettet.se)
La Galerie Numismatique (www.coins-la-galerie-numismatique.com)
LakdivaCoins (coins.lakdiva.org)
Landeshauptstadt Mainz Stadtarchiv (www.mainz.de/kultur-und-wissenschaft/bibliotheken-und-archive/stadtarchiv/rubrikseite-stadtarchiv.php)
Landesmuseum für Vorgeschichte Halle (www.landesmuseum-vorgeschichte.de)
Landesmuseum Württemberg (CC BY-SA) (bawue.museum-digital.de)
Latvijas Banka (www.bank.lv)
Leipziger Münzhandlung und Auktion Manfred Höhn (www.leipziger-muenzhandlung.de)
Leu Numismatik (leunumismatik.com)
Lietuvos Bankas (www.lb.lt)
London Coin Galleries with Heritage Auctions UK (www.biddr.ch/auctions/lcg/browse?a=141&c=2355&p=1)
Lugdunum GmbH (www.lugdunum-numismatik.com)
M J Hughes Coins (mjhughescoins.com)
Ma collection de monnaies (monnaiesetvarietes.numista.com)
Macho & Chlapovič a.s. (machochlapovic.com)
Maison Palombo (numis.marseille.free.fr)
MANFRED OLDING Münzenhandlung (www.manfred-olding.de)
Marudhar Arts (www.marudhararts.com)
MasterVision (www.mastervision.ru)
MDC Monaco Monnaies de Collection sarl (www.mdc.mc)
Medieval Coinage (www.medievalcoinage.com/gallery/)
Meshok Monet (meshok-monet.net)
Mint of Poland (en.mennica.com.pl/coins-and-numismatic-products/catalogue)
Modern Precious Coins (modernpreciouscoin.com)
Monedalia (www.monedalia.es)
Monedas de la República Oriental del Uruguay (www.monedasuruguay.com)
Monetary Authority of Singapore (www.mas.gov.sg)
Moneypedia (CC BY-NC-SA 3.0) (www.moneypedia.de)
Mongolian Coins (www.MongolianCoins.com)
monnaiecanada.com (www.monnaiecanada.com)
Monnaies d'Antan (www.monnaiesdantan.com)
Monnaies de la Dombes (monnaiesdeladombes.blogspot.com)
Monnaies de Liège (monnaiesliegeoises.over-blog.com)
Monnaies féodales de Bretagne (monnaiesfeodalesdebretagne.blogspot.fr)
Monnaies Lorraines (monnaieslorraines.pagesperso-orange.fr)
Mooie Muntjes (www.mooiemuntjes.nl)
Moscow Mint (mmd.goznak.ru)
Mowbray Collectables (www.mowbrays.co.nz)
Møntbutikken (montbutikken.dk)
Munthandel Arger (www.argermunten.nl)
Münze Österreich AG (www.muenzeoesterreich.at)
Münzen & Medaillen GmbH (muenzenundmedaillen-gmbh.de)
Münzen & Raritätenshop (www.muenzenshop-bern.com)
Münzen am Zoo (www.ma-shops.de/pollandt/)
Münzen Ritter (www.muenzen-ritter.de)
Münzenhandlung Harald Möller GmbH (www.muenzen-moeller.de)
Münzenhandlung Raimund Raffler (www.ma-shops.com/raffler/)
Münzenonline (muenzenonline-auktion.ch)
Münzenversand Hardelt (www.muenzen-hardelt.de/shop/)
Münzgalerie München (www.muenzgalerie.de)
Münzhandel Sebastian Sänn (www.ma-shops.de/saenn/?lang=en)
Münzhandlung Dirk Löbbers (www.loebbers.com/index.html)
Münzkabinett der Universität Göttingen (www.uni-goettingen.de/de/149540.html)
Münzsammlung des Seminars für Alte Geschichte, Albert-Ludwigs-Universität Freiburg (www.altegeschichte.uni-freiburg.de)
Münzzentrum Rheinland (www.muenzzentrum.de)
Museu de Prehistòria de València (www.museuprehistoriavalencia.org/web_mupreva/)
Museum für Ur- und Frühgeschichte Thüringens (alt-thueringen.de)
Museum of Cultural History, University of Oslo, Norway (www.khm.uio.no/english)
Museums Victoria (museumvictoria.com.au)
Národná Banka Slovenska (www.nbs.sk)
Narodowy Bank Polski (www.nbp.pl)
National Bank of Kazakhstan (www.nationalbank.kz)
National Bank of the Republic of Belarus (www.nbrb.by)
National Bank of the Republic of South Ossetia (www.bank-ossetia.org)
National Bank of Ukraine (www.bank.gov.ua)
National Museum of American History (CC BY-SA 4.0) (americanhistory.si.edu/national-numismatic-collection)
Noble Numismatics Pty Ltd (www.noble.com.au)
Nomisma (www.nomismaweb.com)
NomistaAzerbaijano (nomistaazerbaijano.wordpress.com)
Nomos AG (nomosag.com)
Norges Bank (www.norges-bank.no)
Notafilia-KP.com (notafilia-kp.com)
Numis Poland Krzysztof Klitończyk (www.numispoland.pl)
Numis.be - Joselito Eeckhout (Numis.be)
Numisa (www.numisa.net)
Numisbing (numisbing.com)
NumisCorner (www.numiscorner.com)
Numisma Leilões (www.numisma.pt)
Numismatica Ars Classica NAC AG (www.arsclassicacoins.com)
Numismatica Ferrarese (www.numismaticaferrarese.com)
Numismática Leilões (www.numismaticaleiloes.pt)
Numismatica Picena (www.numismaticapicena.com)
Numismatica Ranieri (www.numismaticaranieri.it)
Numismatica Varesi (www.varesi.it)
Numismática YPR (numismaticaypr.blogspot.com)
Numismatics.hu (www.numismatics.hu)
Numismatik Lanz Auctions (www.lanzauctions.com)
Numismatik Naumann GmbH (www.numismatik-naumann.at)
Numismatik Zöttl (www.numismatik-zoettl.at)
Numismatique Louis Brousseau (www.numismatiquelouisbrousseau.com)
Numizmatix (www.numizmatix.com)
Numsatang (www.numsatang.com)
Oceanic Mint (www.oceanicmint.com)
ogn-numismatique.com (www.ogn-numismatique.com)
Old Indian Coins (oldindiancoins.com)
Olivier Goujon Numismatique (www.ognumis.fr)
Open Context (CC BY) (opencontext.org)
Orientalische Münzsammlung der Deutschen Morgenländischen Gesellschaft (dmg-web.de)
Oslo Myntgalleri (www.oslomyntgalleri.no)
Panda-UK-Coins (www.ebay.ie/str/pandaukcoins)
Paul-Francis Jacquier (www.coinsjacquier.com/en/)
PCGS (www.pcgs.com)
Perth Mint (www.perthmint.com.au)
Phidias and Jean Vinchon (www.phidias-paris.fr)
Philea / Myntkompaniet (www.philea.se)
Pliego (www.pliego.eu)
Podlaski Gabinet Numizmatyczny Marek Melcer (www.pgnum.pl)
Pogodovka (pogodovka.com)
Poinsignon Numismatique (www.poinsignon-numismatique.com)
Power Coin (www.powercoin.it)
Poznański Dom Aukcyjny (www.biddr.ch/auctions/pda/)
ProNumis Uruguay (pronumis.com)
Rare Coins and Tokens (www.rarecoinsandtokens.co.uk)
Rare Coins Auction house (www.rarecoins.ru)
Rare Indian Coins (indiacoin.wordpress.com)
Real Casa de la Moneda (www.fnmt.es)
remiseenligne (remiseenligne.over-blog.com)
Rhenumis by Dr. Reinhard Fischer (reinhardfischerauktionen.de)
Río de la Plata Compañía Numismática (rpnumis.com)
Robi's Collection (robiscollection.blogspot.fr)
Roma Numismatics Limited (www.RomaNumismatics.com)
Römisch Germanische Kommission (afe.dainst.org)
Royal Australian Mint (www.ramint.gov.au)
Royal Dutch Mint (www.royaldutchmint.com)
Royal Mint Museum (www.royalmintmuseum.org.uk)
Rzeszowski Dom Aukcyjny (rzeszowskidomaukcyjny.pl)
Saint Paul Antiques (www.biddr.ch/auctions/saintpaulantiques)
Saint-Petersburg Mint (spmd.goznak.ru)
Saive Numismatique (www.saivenumismatique.fr)
Salon Numizmatyczny Mateusz Wójcicki (snmw.pl/en)
Savoca Numismatik GmbH & Co. KG (www.savoca-coins.com)
Schulman auction house (www.schulman.nl)
Shire Post Mint (www.shirepost.com)
Silicua (www.silicua.com)
Sincona AG (www.sincona.com)
Soler y Llach (www.soleryllach.com)
Solidus Numismatik e.K. (www.solidus-numismatik.de)
South African Medals (www.southafricanmedals.com)
Spink and Son (www.spink.com)
St. Petersburg Metro (www.metro.spb.ru)
Staatliche Münzsammlung München (www.staatliche-muenzsammlung.de)
Stacks Bowers (www.stacksbowers.com)
Stadtmuseum Oldenburg (www.stadtmuseum-oldenburg.de)
Staraya moneta (www.staraya-moneta.ru)
Status International (www.statusint.com)
Stephen Album Rare Coins (stevealbum.com)
Sterling & Currency (www.sterlingcurrency.com.au)
Swissmint (www.swissmint.ch)
Tauler & Fau Subastas (www.tauleryfau.com)
Teutoburger Münzauktion (www.teutoburger-muenzauktion.de)
The Coin Cabinet Ltd (thecoincabinet.co.uk)
The Coinhouse Auctions (thecoinhouse-auctions.eu)
The Fitzwilliam Museum, Cambridge (www.fitzmuseum.cam.ac.uk)
The Fralin Museum of Art, U.Va. (ODC-ODbL) (coins.lib.virginia.edu)
The Heberden Coin Room, Ashmolean Museum, University of Oxford (hcr.ashmus.ox.ac.uk)
The London Coin Company (thelondoncoincompany.com)
The Metropolitan Museum of Art (CC 0) (www.metmuseum.org)
Themis Numismatics (www.biddr.ch/auctions/themisnumismatics/)
Theo Peters Numismatiek, Amsterdam (www.theopeters.com)
Todywalla Auctions (www.todywallaauctions.com)
Tonegawa Collection (www.andalustonegawa.50g.com)
Tradart (www.tradart.be)
Trans-Dniester Republican Bank (www.cbpmr.net)
Triskeles Auctions (www.triskeles-auctions.com)
Trustees of the British Museum (www.britishmuseum.org)
UAE Coin Collectors Club (www.uaemint.ae)
Ufficio Filatelico Numismatico Vaticano (www.ufn.va/en/)
Union Latine (www.union-latine.com)
United States Mint (www.usmint.gov)
University College Dublin (digital.ucd.ie/view/ucdclm:10)
V.L. Nummus (www.vl-nummus.com)
Veilinghuis Eeckhout bvba - Joselito Eeckhout (www.veilinghuiseeckhout.be)
Waad Elias (iraqistampsncoinscom.ipage.com)
WAG Online Auktions (www.wago-auktionen.de)
Walder Coins (waldercoins.co.uk)
Warszawskie Centrum Numizmatyczne s.j. (wcn.pl)
WBCC Image Library (www.wbcc-online.com/library.html)
Westminster Collection (www.westminstercollection.com)
Westminster Collection International Shop (westminstercollection.com)
WGI auctions (www.certifiedcoins.lu)
World Banknote Auctions (www.worldbanknoteauctions.com)
World Bimetallic Coin News (www.worldbcnews.com)
World Coin Gallery (worldcoingallery.com)
World commemorative coins (commemoratives.blogspot.cz)
Zeus Numismatics (zeusnumismatics.com)
Ступинский поисковик (spsearch.ru)
朝鮮錢幣 DPRK Currency (www.facebook.com/dprkcurrency/)
蓝风银泉阁淘宝店 Yinquange Taobao Online Coin Shop (yinquange.world.taobao.com)