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palomar |
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| navigate by keyword : 1948 america astronomy california canceled circa closeup collection correspondence cosmology discovery dome editorial galaxies historic history hobby letter letters mail mark mountain observation observatory outdoors palomar philately piece post postage postmark printed printing research science showing sky special sphere stamp stamps states technology telescope united university usa view |
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| USA - Circa 1948 : a postage stamp printed in the US showing the Palomar Mountain Observatory . |
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Stockphotos.ro (c) 2024. All stock photos are provided by Dreamstime and are copyrighted by their respective owners. |
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