This coin is issued by Banco de Mexico. It is one of a series proof coin celebration the 25th Anniversary of World Wildlife Fund.
Obverse design: the Coat of Arms of Mexico with the inscription 'Estados Unidos Mecicanos'.
Reverse design: the Monarch Butterfly together with the inscription 'mariposa monarca', the denomination '$100' and the year date '1987'. Also, shown are the 'M' mint mark of the Mexico City Mint and fineness, .720 silver.
Metal:
Silver
Weight:
1 oz
Fineness:
72%
Denomination:
100 Peso
Diameter:
38 mm
Graded:
NGC PF-68 Ultra Cameo
Mintage:
30,000 pieces
Year:
1987
