正面: Old screw type coining press divides silver purity "ORO PURO / LEY 999" and mintmark "Mº", date "1987", issuer "CASA DE MONEDA DE MEXICO"
背面: Panda mother seated with cub, weight "PESO 1/2 ONZA", theme "5° / Tohui aniversario del panda"
备注: XMB28.
