Stamps of Bolivia, 20 base day
1 to 50 of 68
postage
1947, Sep 20 seizure of government palace issue People Attacking Presidential Palace unwmk (no perf info) (6 stamps)
1948, Oct 20 Grand Prize of South America auto race issue
| - | 5b | ind & sal | Map & Emblem of Bolivia Auto Club | |||
| - | 10b | grn & sal | Map & Emblem of Bolivia Auto Club |
1967, Sep 20 Lions International 50th issue
| X | 0.70b | multi | Bolivian sower |
1974, May 20 World Cup 1974 issue
| - | 0.20b | multi | Cattleya nobilior | — | — | |
| - | 0.50b | multi | Zygopetalum bolivianum | — | — | |
| - | 1.00b | multi | Huntleya melagris | — | — | |
| - | 3.80b | multi | Stanhopaea | — | — |
1976, Apr 20 Bolivian Geological Institute issue
| - | 4.00b | multi |
1977, Oct 20 8th Bolivarian Games issue
| - | 5p | multi |
1986, Jun 20 International Youth Year issue
| - | 150000p | multi | ||||
| - | 500000p | blgrn | ||||
| - | 3000000p | multi |
1987, Mar 20 State Visit of President Richard von Weizsacker of the German Federal Republic issue
| - | 0.30b | multi |
1987, May 20 Visit of King Juan Carlos of Spain issue
| - | 0.60b | multi |
1988, Oct 20 220th Anniversary of the Death of Brother Bernardino de Cardenas issue
| - | 0.70b | multi |
1990, Nov 20 Christmas 1990 issue
| - | 50c | multi |
1994, Oct 20 Art - Pietá by Michelangelo
| - | 1.50b | multi | — | — | ||
| - | 3.50b | multi | — | — |
1997, Mar 20 50th Anniversary of UNICEF issue
| - | 0.50b | multi | ||||
| - | 0.90b | multi | ||||
| - | 1.00b | multi | ||||
| - | 2.50b | multi |
2001, Nov 20 Joaquin Gantier Valda Commemoration issue
| - | 4b | multi |
2003, May 20 Battle of Bahia 100th issue
| - | 0.50b | |||||
| - | 1.00b |
2005, May 20
| - | 6.00b | multi | Mcal. Otto Felipe Braun |
2007, Jul 20 47th Conference of the Chiefs of the Air Force of the Americas - CONJEFAMER issue
| - | 10.50b | multi |
2007, Jul 20 Birds of Bolivia 2007 issue - birds of Tarija (17 stamps)
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