Three-groats, 1664, Vilnius mint
John II Casimir Vasa (1648 - 1668)
Obverse: Twenty-fourth bust.
Lettering: 
IOA • CASIM D : G REX • POLO • & • S / • T • L • B •
Reverse: Tenth Knight. Legend in four lines. Roman "III" to the right of Knight.
Lettering: / III GROS • ARGE TRIP • MAG DVC • LIT ••1•6• / 
/ •6•4•
Identification
Ivanauskas, E. (2013). Coins and Bars of Lithuania 1236-2012 (Vol. 2). Kaunas: Author
number: 6JK2-2
Rarity: RR (Not more than 50 pieces)
Main data
Denomination: Three-groats
Value: 3
Currency: Groat
Year: 1664
Type: Regular
Minting
Mint: Vilnius
Minting type: hammered
Parameters
Material: Silver
Diameter (mm): 20
Shape: Round
