Stamps of Bulgaria, 18 base day
1 to 50 of 104
postage
1931, Sep 18 Balkan Games 1931 issue unwmk p. 11.5 (7 stamps)
| X | 1l | grn | ||||
| X | 2l | |||||
| - | 4l | car | ||||
| X | 6l | prusbl | fencer | |||
| - | 10l | org | ||||
| - | 12l | bl | ||||
| - | 50l | brn |
1948, May 18 portraits (1948) p. 10.75 (5 stamps)
| X | 4l | ver | Nicholas Vaptzarov | |||
| X | 9l | ltbrn | P K Javorov | |||
| X | 15l | cl | Christo Smirnenski | |||
| X | 20l | dpbl | Iwan Wasov | |||
| X | 45l | grn | P R Slavejkov |
1952, Jun 18 Dimitrov 70th issue (no perf info)
| X | 16s | brn | Dimitrov & chemical plant | |||
| - | 44s | brncar | ||||
| - | 80s | bl |
1957, Jul 18 6th World Youth Festival issue p. 13
| - | 44s | bl | dancer & Spasskaya Tower |
1957, Jul 18 Dimitrov memorial 1957 issue
| - | 44s | dpcar | George Dimitrov 1957 |
1957, Jul 18 Levski 120th issue p. 11
| - | 44s | grnblk | Vasil Levski |
1958, Jul 18
| X | 80s | chessmen & globe |
1962, Jun 18 Dimitrov 80th issue
| X | 2s | dkgrn | George Dimitrov | |||
| X | 5s | turqbl | George Dimitrov |
1962, Aug 18 8th World Festival of Youth and Students issue
| - | 5s | multi | festival emblem | |||
| - | 13s | multi |
1966, May 18 steamer Radetzky against the Turks 90th issue p. 10.5
| - | 2s | multi | steamer Radetzky |
1967, May 18 Culture congress issue p. 11.5x11
| - | 13s | multi |
1967, Jun 18 Young Singers Challenge issue
| X | 5s | multi | scene, p. 11.5x11 | |||
| X | 13s | multi | bird |
1970, Dec 18 Lunochod 1 issue imperf
| - | 80s | multi | Lunochod 1 on the Moon | — | — |
1972, Jun 18 90th Birthday of Georgi Dimitrov (II) issue
| - | 80s | multi | No 2168 with changed Colors |
1974, Sep 18 STOCKHOLMIA '74 issue p. 13x13.25
| - | 40s | multi | Stockholm & Carrier Pigeons | — | — |
1978, Mar 18 First Anniversary of the Bulgarian-Soviet Friendship Treaty issue p. 13
| - | 2s | multi | Roman Number 30 from the Bulgarian & Soviet National Color |
1978, Apr 18 National Conference of the Communist Party, Sofia issue
| - | 2s | multi |
1978, Sep 18 150th Anniversary of the Birth of Hristo V. Danov issue
| X | 2s | pur & och | Hristo G. Danov |
1978, Oct 18 30th Anniversary of the Universal Declaration of Human Rights issue
| - | 23st | multi |
1979, May 18 PHILASERDICA '79 f issue
| - | 2s | multi | Hotel Vitosha - New Otany Sofia | |||
| - | 2s | multi | ||||
| - | 1l | multi | ||||
| - | 5l | multi |
1981, May 18 34th BSNC Congress issue p. 13.75
| - | 5st | multi | Roman Numeral „XXXIV“ | |||
| - | 8st | multi | ||||
| - | 13st | multi |
1983, Aug 18 60th Anniversary of the September 1923 Uprising issue p. 13
| - | 5st | multi | ||||
| - | 13st | multi |
1984, Apr 18 ESPANA '84 issue
| - | 2l | multi |
1984, May 18 60th Anniversary of the Illegal Conference of the Bulgarian Communist Party on Vitosha issue
| - | 5st | multi | Vitosha Conference Painting by K Bujuklijski & P Petrov |
1984, Dec 18 50th Anniversary of the Death of Cesar Augusto Sandino issue p. 13x13.25
| X | 13st | multi | Cesar Augusto Sandino |
1991, Jan 18 European Figure Skating Championships 1991 issue p. 13
| X | 15s | multi |
1991, Dec 18 Christmas 1991 issue p. 13.25
| X | 0.30l | multi | ||||
| X | 62s | multi |
1992, Sep 18 GENOVA '92 issue p. 13
| X | 1l | multi |
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