2005, Mexico. Alu-Br & Silver 100 Pesos “Bank of Mexico” CoinMint Year: 2005 Reference: KM-732. Mint Place: Mexico (Mo) Denomination: 100 Pesos - Bank of Mexico’s 80th Anniversary. Material: Aluminum-Bronze (ring), Silver (.925)Preciousl metal content: 1/2 troy oz (15.55gm) Weight: 33.94gmDiameter: 39mm The Bank of Mexico (Spanish: Banco de México), abbreviated BdeM or Banxico ...