Half-ducat, 1664, Vilnius mint
John II Casimir Vasa (1648 - 1668)
Obverse: Twenty-seventh bust. Inner circle.
Lettering: IOA • CAS • REX • PO : S • / • T • L • B •
Reverse: Monogram 
below crowned tenth Knight. Inner circle.
Lettering: MON • AVRE • MAG • DVC • LIT • 1664 / /
Identification
Ivanauskas, E. (2013). Coins and Bars of Lithuania 1236-2012 (Vol. 2). Kaunas: Author
number: 9JK1-1
Rarity: RRRR (Not more than 10 pieces)
Main data
Denomination: Half-ducat
Value: 90
Currency: Groat
Year: 1664
Type: Regular
Minting
Mint: Vilnius
Minting type: hammered
Parameters
Material: Gold
Diameter (mm): 15
Shape: Round
