Stamps of Spain, 11 base day
1 to 50 of 141
postage
1856, Apr 11 unwmk
| - | 2c | blgrn | Queen Isabella II, imperf | 100 – 1,000 | 10.–100 | |
| X | 4c | rose | Queen Isabella II, imperf | |||
| - | 1r | bl | Queen Isabella II | |||
| - | 2r | brnlil | Queen Isabella II, imperf |
1938, Aug 11 Submarine Mail issue (6 stamps)
| - | 1pta | bl | p. 16 | — | — | |
| - | 2pta | dkbrn | p. 16 | — | — | |
| - | 4pta | redorg | p. 16 | — | — | |
| - | 6Pta | dkbl | p. 16 | — | — | |
| - | 10pta | pur | p. 16 | — | — | |
| - | 15Pta | dkgrn | — | — |
1938, Aug 11 Submarine Mail b issue p. 11
| - | 4pta | grayblk & car | — | — | ||
| - | 6Pta | grayblk & dkbl | — | — | ||
| - | 15Pta | grayblk & dkgrn | — | — |
1956, Sep 11 Black Virgin coronation 75th issue p. 14
| X | 15c | Black Virgin of Montserrat | ||||
| X | 60c | dkpur | ||||
| X | 80c | dkblgrn | Black Virgin of Montserrat |
1961, Dec 11 Spanish aviation 50th issue (5 stamps)
| X | 1p | blblk & grayblk | Autogiro of La Cierva | |||
| - | 2p | Hydroplane Plus Ultra | ||||
| - | 3p | Jesus of High Power | ||||
| X | 5p | plane hunting bustard | ||||
| X | 10p |
1967, Aug 11 castles (1966) (8 stamps)
1973, Jun 11 tourism (1973) (5 stamps)
| X | 1p | multi | Oñate university Guipuzcoa | |||
| X | 2p | multi | Plaza del Campo & Fountain Lugo | |||
| - | 3p | multi | Plaza de Llerena & Fountain Badajoz | |||
| X | 5p | multi | Columbus house Las Palmas | |||
| X | 8p | multi | Windmills La Mancha |
1973, Dec 11 Spanish printing 500th issue
| X | 1p | multi | map | |||
| X | 7p | multi | ||||
| - | 15p | multi |
1979, Jul 11 Invertebrates p. 13.25x13 (5 stamps)
| - | 5pta | multi | Euspongia officinalis | |||
| - | 7p | multi | Astacus pallipes | |||
| - | 8pta | multi | Buthus europaeus | |||
| - | 20pta | multi | Astropecten sp. | |||
| - | 25pta | multi | Actinia equina |
1980, Nov 11 p. 14
| - | 22p | multi | some conference |
1984, Apr 11 Man and the Biosphere issue p. 13.25
| - | 38pta | multi |
1985, Dec 11
| - | 17p | multi | Xavier Maria de Munive |
1986, Aug 11 The Mystery of Elche issue p. 13x13.25
| - | 17p | multi |
1986, Dec 11 Castelao 100th issue p. 12.75x13.25
| - | 32p | multi | Alfonso R. Castelao |
1987, Feb 11 (no perf info)
| - | 48p | rosebrn | Francisco De Vitoria |
1989, Mar 11 100th Anniversary of Postal Service issue
| - | 20pta | multi |
1993, Oct 11 Endangered Species (1993) p. 14
| - | 65 | multi | — | — |
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