20 Dollars Liberty Head - Double Eagle, No motto
1857 (en) Proof
20 Dollars (Liberty Head - Double Eagle, No motto) – N# 23656Anno: 1857
Zecca: Nessun segno di zecca – Zecca di stato di Philadelphia, United States (1792-data)
Referenze: NN# 643759
Numista version number (https://numista.com)
, PCGS# 9069PCGS CoinFacts (https://www.pcgs.com/coinfacts)