Chemistry~ U.S. Stamp~ American Chemical Society ~ Poster
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Chemistry 13-cent 1976 issue U.S. stamp ~ “American Chemical Society” ***** The 13-cent Chemistry stamp was issued on April 6, 1976, in conjunction with the centenary of the American Chemical Society (ACS). The design by Ken Davies depicts various flasks, a separatory funnel, and a computer tape. Up to the end of 1977 the designs are all PD. ( PD-US-GOV) ***** This image is in the public domain in the United States because it is a work prepared by an officer or employee of the United States Government as part of that person’s official duties under the terms of Title 17, Chapter 1, Section 105 of the US Code. ( PD-US-GOV) *****