p81b: 3 Korun from 1961

1961. Blue on blue-green underprint. Large three at center and upper corners. Socialist arms at center on back. Serial number prefix 3mm high. Watermark: star in circle, repeated. Printer: STC-P.

• Country & Pick Number:Czechoslovakia p81b
• Denomination & Currency:3 Korun
• First Year of Issue:1961
• Issue Type: Regular Issue