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 62, rare type of coin in beautiful condition, very attractive preserved specimen with sharp relief details and mint shine surface, slightly toned