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![Postage stamp outline [vector] Royalty Free Stock Photo](https://thumbs.dreamstime.com/m/postage-stamp-outline-vector-4447534.jpg "Postage stamp outline [vector] Royalty Free Stock Photo")
Stockphotos.ro (c) 2025. All stock photos are provided by Dreamstime and are copyrighted by their respective owners.
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| navigate by keyword : 1971 aged analysis ancient antique beaker biochemistry biology biotechnology bottle canada chemical chemistry clinical drop drug envelope equipment experiment historic instrument insulin lab laboratory letter mail medical medicine message microbiology old pharmaceutical pharmacology pharmacy philately postcard postmark research retro science scientific seal solution stamp substance technology toxic tube vintage |
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| CANADA - CIRCA 1971: stamp printed by Canada, shows Laboratory Equipment Used for Insulin Discovery, circa 1971 |
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Stockphotos.ro (c) 2025. All stock photos are provided by Dreamstime and are copyrighted by their respective owners. |
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