Three-groats, 1665, Vilnius mint
John II Casimir Vasa (1648 - 1668)
Obverse: Twenty-fourth bust.
Lettering: 
IOA • CASI • D : G • REX • POL : & : S / • T • L • B
Reverse: Tenth Knight. Legend in four lines. Roman "III" to the left of Knight.
Lettering: III / GROS • ARGE • TRIP • MAG • DVC • LIT •16 / 
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Identification
Ivanauskas, E. (2013). Coins and Bars of Lithuania 1236-2012 (Vol. 2). Kaunas: Author
number: 6JK6-4
Rarity: RR (Not more than 50 pieces)
Main data
Denomination: Three-groats
Value: 3
Currency: Groat
Year: 1665
Type: Regular
Minting
Mint: Vilnius
Minting type: hammered
Parameters
Material: Silver
Diameter (mm): 19.5
Shape: Round
