1950 UPU 75th Anniversary Issue
Issued to commemorate the 75th Anniversary of the formation of the Universal Postal Union which occurred in 1949.
Regular stamps: 330, 331
Air mail stamp: C67
Souvenir sheet: C67a
Details
Issue date | April 21, 1950 |
Designer | |
Printing method | Engraved |
Printer | E. A. Wright Bank Note Company |
Paper | Unwatermarked |
Perforation | 11½ |
Sheet size | 20 (5x4) |
Subjects | 5c - UPU Monument; 10c - First UPU Building; 25c - UPU Monument |
Specimens, Proofs and Essays
There are two different types of specimen overprints. The first one was applied to regular sheets while the second one was applied to souvenir sheets.
Perforated specimen overprints
Imperforate specimen overprints
Varieties
Further reading
- "New Issues" / p. 4 / Journal of the Liberian Philatelic Society / Oct-Dec 2007