Image Colnect-998-981-Passage-of-Halley-s-Comet---Astronomers-and-space-probes.jpg

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Type: stamp Issuer: Mauritania Date: 1986 Denom: ? Visibility: public Image owner: none postage 10/14/1986 26um multi issue=Halley's Comet d=Ernst Julius Opik unwmk Crops No visible images cropped from this one. Measurements Resolution is unknown. Source Source name: Colnect File URL: http://i.colnect.net/b/998/981/Passage-of-Halley-s-Comet---Astronomers-and-space-probes.jpg Uploaded September 16, 2014, 6:09 pm by Stan Shebs