Charles Ferdinand Vasa (1648-1655), Thaler, 1653, Opole; Av: Bust, legend around; Rw: Coat of arms shield, date on sides and legend around; A. Cahn 77/581, Davenport 5118, F.u.S. 2929, Folwarniak 57 (R7), Gumowski WN 1/1965 "Coins, medals and seals of Charles Ferdinand Vasa" item 45, Hirsch "Silesia in Nummis" -, Kop. 6470 (R7), Strieboll - not noted, Schulthess-Rechberg 1846. - item 4104; silver, 26.04 g; very dark patina, extremely rare coin known in a few pieces, the offered thaler is probably from the Friedensburg collection, however the background of the coin was damaged in later years.