Literature: Kaminski, Kurpiewski - 159, Ciura 660K.1.2.4.1
Boratini's initials, TL-B separates the Vasa coat of arms. Last digit of date 1660 clearly smaller.
Borders on obverse and reverse. Excellent state of preservation, minor traces of cleaning.
Mirroring on both sides, uncommon on this type of coin, and a fine patina.
