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Type: stamp Issuer: Austria Date: 1986 Denom: ? Visibility: public Image owner: none postage 9/5/1986 4s multi d=Sonnblick- Observatorium unwmk perf=13.5x14.5 Crops No visible images cropped from this one. Measurements Resolution is unknown. Source Source name: Colnect File URL: http://i.colnect.net/b/5379/459/Sonnblick-Observatory-1886-engraving-by-A-Heilmann.jpg Uploaded January 14, 2019, 6:44 pm by Stan Shebs