p409c: 20 Pesos Oro from 1974

20.7.1974; 20.7.1975; 20.7.1977. Brown, gray, and green on multicolored underprint. Francisco Jose de Caldas with globe at right. Back brown and green on multicolored underprint; Balsa Musica from the Gold Museum. Without security thread.

• Country & Pick Number:Colombia p409c
• Denomination & Currency:20 Pesos Oro
• First Year of Issue:1974
• Issue Type: Regular Issue