1 real - Copper / Bronze - JMB [?] initials HELP

1 real
Copper / Bronze ?
JMB [? it looks like] initials
It has a [worn] milled edge.
Weighs - 4.7g
Diameter - 24.2mm

Any assistance in identifying is appreciated.

No other clues I'm afraid.

Hello, scorpionscoins

It's probably a wage token of a farm. You need to look for it in "Latin American Tokens" by Rulau. The bible of this kind of tokens.

Thanks for your advice, I shall give that a try.