p51b: 500 Pesos from 1950

27.12.1950. Black on multicolor underprint. Like number 43 but without No. above serial number. Middle signature title: INTERVENTOR DE LA COM. NAC. BANCARIA. Signature varieties. Back: Green. Palace of Mining at center. Printer: ABNC. Series: CS; CT.

• Country & Pick Number:Mexico p51b
• Denomination & Currency:500 Pesos
• First Year of Issue:1950
• Issue Type: Regular Issue