Stamps of Spain, 25 May 2000
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postage
2000, May 25 Science 2000 issue unwmk p. 13.75
| - | 100Pta | multi | ||||
| - | 185 | multi |
2000, May 25 Royal Medicine Academy of Sevilla 300th issue
| - | 35pta | multi |
2000, May 25 World Year of Mathematics issue
| - | 70 | multi |
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