✅ SOLVED Thanks to Almy and village nut. Carolus half real

[Merf]

 

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[Almy]

Nice 1781 Spanish silver real, King Carolus. Size would tell whether it is 1/2, 1, 2 real. Some experts here might be able to see more on it that would help further ID. They were a common silver coin in the early British colonial period of Eastern North America.

 

[Merf]

Nice 1781 Spanish silver real, King Carolus. Size would tell whether it is 1/2, 1, 2 real. Some experts here might be able to see more on it that would help further ID. They were a common silver coin in the early British colonial period of Eastern North America.

Oops. 17mm

 

[villagenut]

Probably Carolus lll half real....went through lots of hands in its lifetime.