p125a: 1 Colon from 1977

7.7.1977; 11.5.1978. Black on multicolored underprint. Cerron Grande Dam at center, with UN COLON at left. Back red; C. Columbus at center left on back. Printer: TDLR. Without watermark. Regular style serial. With underprint in margins on face.

• Country & Pick Number:El Salvador p125a
• Denomination & Currency:1 Colon
• First Year of Issue:1977
• Issue Type: Regular Issue