As manilagalleontrade said.. here's more info:
KM# 350
Denomination Thaler
Country German States\Nurnberg
Government Free Imperial City
Coinage Type Regular Coinage
Composition Silver
Description Obverse City view
Description Reverse Imperial orb on eagle's breast
Legend Obverse X • EINE FEINE - MARCK • date, below; NURNBERG •/ K•R•
Legend Reverse IOSEPHVS II • D •G • - ROM • IMP • SEMP • AVG •
Notes Dav. #2494.
If genuine, Krause prices these starting at $100US in Fine, and it goes up from there - but to authenticate it you'd probably need an expert to take a look at the pictures or the coin in hand.
Welcome to the forum!
