 |
What: stamp
Type: Russia postage 7/20/1966 6k multi issue=International Congress of Mathematicians 1966 unwmk perf=12 State: used Visibility: public Owner: Stan Shebs |
Record of changes |
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What: stamp
Type: Russia postage 7/20/1966 6k multi issue=International Congress of Mathematicians 1966 unwmk perf=12 State: used Visibility: public Owner: Stan Shebs |
Record of changes |