This is a fascinating piece - we are not sure what the original use was for this item, but it would most surely make a fine netsuke. The pendant is made of a copper/bronze alloy and has heavy verdi gris patina. (We have examined the patina with a ten power loupe and are convinced that it is genuine - not green paint that has been put on to resemble patina). The design is of a male figure standing atop a round Chinese coin. We do not have a translation for the characters on the coin - so are not sure if they are about the denomination of the coin - or it is possible that it is not now, and never was, a coin - but simple pendant.
The item is in excellent condition and measures 2.9 " high to the top of the man's head by 1.7" wide at the widest part by 0.4" thick- it weighs 3 ounces.