Stamps of Great Britain, 2 Mar 1977

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1977, Mar 2 chemistry unwmk p. 14.75x14.25
Colnect-122-051-Steroids---Conformational-Analysis.jpgColnect-122-052-Vitamin-C---Synthesis.jpgColnect-122-053-Starch---Chromatography.jpgColnect-122-054-Salt---Crystallography.jpg
X 8 1/2p multi steroids
X 10p multi vitamin C
X 11p multi starch
X 13p multi salt

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