Poland
Thorn. City silver "500th Anniversary" Medal 1731 AU - Cleaned, HCz-2681, Marienburg-9171. 47.5mm/24.7g. Struck to celebrate the 500th year since the city's founding in 1231. A rare and popular medal, this example better than most, with few marks and only light hairlines in the fields. Sure to be highly prized.
Estimate: 400-600 USD