p431a: 500 Pesos Oro from 1986

20.7.1986; 12.10.1987; 20.7.1989; 12.10.1990. Brown, dark green, and red-brown on multicolored underprint. General Francisco de Paula Santander at left and in profile as watermark. Bogota on back; screw coinage press at lower right. Printer: IBB.

• Country & Pick Number:Colombia p431a
• Denomination & Currency:500 Pesos Oro
• First Year of Issue:1986
• Issue Type: Regular Issue