Need help identifying...

SoCalBigMark

At the local flea market, about the size of a dime and that is the asking price. TIA!

Nap

Looks like John V of Portugal (aka Joao V)

Sorry can’t help with denomination, mint, or value, but hopefully that’ll start you in the right direction.

John Conduitt

https://en.numista.com/catalogue/pieces28437.html

SoCalBigMark

. It is in Portugal. Found an auction ending in 3 days.

Obrigado!