(Sold on ebay July, 2019) Medal struck in 1936 to celebrate the fourth Century of operation of the Mint in Mexico City, D.F.  Grove 490b, in Copper (NGC designates this as "Bronze") , original mintage of 500.  Uncirculated, certified NGC MS-61BN. Attractive medium chestnut Brown surfaces, light marks appropriate for the assigned grade due to light handling.

NGC 4715567-003