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Type: stamp Issuer: Sweden Date: 1970 Denom: ? Visibility: public Image owner: none postage 12/10/1970 55o slbl issue=Nobel Laureates in 1910 dt=Nobel winners (1910) unwmk perf=*s3 Crops No visible images cropped from this one. Measurements Resolution is unknown. Source Source name: Colnect File URL: http://i.colnect.net/b/3422/424/Otto-Wallach-chemistry---Johannes-van-der-Waals-physics.jpg Uploaded August 12, 2016, 4:33 pm by Stan Shebs