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Radio Telescope Postage Stamps
China Commemoratives For Radio Telescope - Stamp …
Space Stamps–Telescopes | National Postal Museum
Stamp commemorates world's largest radio telescope
Category:Radio telescopes on stamps - Wikimedia Commons
A Stamp on the Universe - American Philatelic Society
Space Issue - National Postal Museum
Radio Telescope, Ooty - iStampGallery
60c Radio Telescope, Arecibo Observatory, Puerto Rico single
Radio Astronomy Centre - Tata Institute of Fundamental Research