Japan
Meiji Gold 5 Yen Year 3 (1870), KM-Y11, AU58 PCGS. Variety with shallow scales and no border. This is the large size 5 Yen type and seldom offered in today's market. 1870 was the first year of the modern style coinage in Japan, and few of these have survived.
Estimate: 1500-2000 USD