A nice, well-minted piece.
A sixpence with an A-style obverse and an A-style reverse (including a small Wieniawa coat of arms and distinctive crest shields). Variety with correct date 1657. Variant inscription IOAN CASIM and ARGE REGNI P.
The coin illustrated in the catalog of Ł. Ciura.
Note: the book is not the subject of the auction.
