p409a: 20 Pesos Oro from 1966

12.10.1966; 2.1.1969; 1.5.1972; 1.5.1973. 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. Security thread.

• Country & Pick Number:Colombia p409a
• Denomination & Currency:20 Pesos Oro
• First Year of Issue:1966
• Issue Type: Regular Issue