Adding other years for Ducat - Sigismund II Augustus, Grand Duke of Lithuania [Risolto]

N#63426

Ducats were also minted in 1547, 1548, 1549, 1553, 1561, 1563, 1564, 1566, 1565, 1567, 1569, 1571

1563 had golden coin minted that had triple weight of regular ducat. Technically three ducat. Should be in Vienna's historical arts museum.

1564 had double weight ducat minted, if it survived all the wars, coin should be in Warsaw museum.

1562 had 10 florin coin minted in two variants. One should be in Vienna's historical arts museum, but their Sigismund II Augustus coins are not visible in online catalogue.

Examples of 1563-1567 ducat can be found in Lithuanian online museum reference

https://www.limis.lt/valuables?query=%7B%22text%22:%22dukatas%22%7D 

Reference: page 188-189 Z.Duksa “Monetos pasakoja”, 1991 ISBN 5-7900-0172-6

Thank you.  Those dates will be added.  

The piedforts (double weight, triple weight) should each get their own separate listings.  

The 1562 10 ducat (Portugaleser) is here:  https://en.numista.com/catalogue/pieces159317.html ;

Union was signed on 1569. 1562 10 ducat is not Polish coin.