Watch List notes:

Poland 6 Groszy 1662 TT Bydgoszcz. John II Casimir Vasa (1649–1668). Averse: Crowned bust right in linear circle. Reverse: Crown above three shields. Silver. (Typological hybrid; i.e. a sixth; stamped with stamps combining the features of two mints. It was minted in the second quarter of 1662; in the short period between the closing of the mint in Poznań and the establishment of the general mint in Kraków. With the use of the engraver's stamp of the first of the mints; but under the management of Tomasz Tymf; whose initials were placed on the sides of the Wazów coat of arms. (Marciniak Aukcion 8 Lot. 888)). Literature: MKJK 2003 (R6) RARE NGC AU 55