leonhard euler
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Stockphotos.ro (c) 2026. All stock photos are provided by Dreamstime and are copyrighted by their respective owners.
leonhard euler |
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| navigate by keyword : 1957 academician adult aged ancient antique architecture book building costume edifice envelope euler expression eye face famous globe head historic leonhard letter mail male man mathematician message old personality philately physicist postage postcard postmark retro russia russian scientist seal senior soviet spyglass stamp swiss tower union ussr vintage |
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| RUSSIA - CIRCA 1957: stamp printed by Russia, shows Leonhard Euler, Swiss mathematician and physicist, circa 1957 |
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Stockphotos.ro (c) 2026. All stock photos are provided by Dreamstime and are copyrighted by their respective owners. |
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