Mazard-163.
Issued by Les Frères Monneron, Paris. Soho mint. Obverse with Hercules seated on the skin of the Nemean lion, trying to break mace. Reverse with legend in six lines. Edge engraved.
Slabbed and graded by NGC as MS63BN.
The certification number is 6321029-006. A wonderful example and scarce in this state of preservation.