Courland / Kurland, Jacob Kettler 1642-1680. Schilling no date, Mitau mint, Kopicki 4051 (R7), Gerb/Krug. 3.2.1.1, Haljak 1697, Billon 16 mm, weight 0,48 g., Condition NGC MS 63, rare type of coin in beautiful condition, centrally weakly struck, surface with nice mint shine
