U P U (see Universal Postal Union.)
Uherské Hradiště [Uherske Hradiste]
Umělecká Beseda [Umelecka Beseda] (see Artists Guild [Czech].)
Undenominated Stamps (see Forever Stamps [Slovak]; Non Denominated Postage.)
- - Chaplin, Charley. 1899-1977
- 1982. 10th International Exhibition of Children's Art, Lidice
- - Břevnov Monastery [Brevnov Monastery]
- - Agricola, Georgius. 1494-1555
- - Telč [Telc]
UNESCO International Music Council (see Music - UNESCO International Music Council.)
UNESCO World Heritage Sites (see World Heritage Sites.)
- 1986. 40th Anniversary Issue
- Historic Postal Uniforms Issue
- Medieval Postal Courier Designs
Unions (see Trade Unions.)
- 1965. 20th Anniversary Issue
- 1970. 25th Anniversary Issue
Army
1945. Emergency Stamps (see Provisional and Revolutionary Overprints, 1945.)
- - American Army Olympic Games
- - Plzeň Post Cards [Plzen Post Cards]
Cancels
Czechoslovak Communities (see Cancels - By Place - United States.)
Cedar Rapids, Iowa
National Czech and Slovak Museum (see Cedar Rapids, Iowa - National Czech and Slovak Museum.)
Czechoslovaks (see Czechoslovaks - United States.)
Exhibitions (see Exhibitions. United States.)
Spillville, Iowa
Dvořák, Antonín. 1841-1904 [Dvorak, Antonin]
2004. 100th Death Anniversary Cancel
Universal Jubilee Exhibition, Prague
- 1991. 100th Anniversary Issue
- 1969. 16th Congress, Tokyo Issue
- 1994. 120th Anniversary Issue
- 1999. 125th Anniversary Issue
- - - Žilina University [Zilina University]
Universities and Colleges (see also Academies; Secondary Schools.)
- Báňská Štiavnica [Banska Stiavnica]
- - - 1965. 500th Anniversary Issue
- Closing of Universities by the Nazis
- - 1989. 50th Anniversary Issue
- Commenius University. Bratislava
- Košice [Kosice]
- - 1973. 400th Anniversary Issue
- - - 1961. 150th Anniversary Issue
- - - 1985. 350th Anniversary Issue
- Žilina University [Zilina University]
UPU (see Universal Postal Union.)
Ust Chorna
Cancels (see Cancels - By Place - Ust Chorna.)
Ustí nad Labem [Usti nad Labem]
Utamaro, Kitagawa. 1753-1806 (see Artists - Utamaro, Kitagawa. 1753-1806.)