pS1056b: 50 Centavos from 1914

1.4.1914. Black on green underprint. Uniface. With "A" before PROVISIONAL in underprint.

• Country & Pick Number:Mexico, Revolutionary pS1056b
• Denomination & Currency:50 Centavos
• First Year of Issue:1914
• Issue Type: Regular Issue
• Issuer:Sonora - La Jefatura de Hacienda, Guaymas