Unnatural look due to improper cleaning.
Germany, City of Nuremberg, Thaler 1623, Nuremberg mint
Obverse: three coat of arms dividing the date, 16-23
COIN AGENTEA REIPVB NVRENBERG
Reverse: under a crown double-headed Imperial Eagle
FERDINANDI II D G ROMAN IMPER SEMP AVGVST D P
Diameter 42 mm, weight 28.99 g