Denmark 1964, King Frederik IX, Fluorescent Paper

Denmark · 1964 · 60 øre

This definitive stamp features a right-facing portrait of King Frederik IX of Denmark. The design, engraved by Czesław Słania, is a classic example of Danish royal portraiture on postage. This particular version is distinguished by being printed on fluorescent paper, a security and sorting measure introduced in the period.

Issued during the reign of King Frederik IX (1947-1972), this stamp was part of a long-running definitive series. The use of fluorescent paper reflects advancements in postal technology and automation during the mid-20th century.