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Type: stamp Issuer: Hong Kong Date: 1983 Denom: ?
Visibility: public Image owner: none postage 11/23/1983 $5 multi issue=100th Anniversary of Hong Kong Observatory d=ancient & modern seismometers wmk=crown & CA spiral perf=14.25 Crops No visible images cropped from this one. Measurements Resolution is unknown. Source Source name: Colnect File URL: http://i.colnect.net/images/b/1256/050/100-years-HongKong-Observatory.jpg Uploaded August 31, 2014, 1:21 am by Stan Shebs |