US 1685 Plate Block Chemistry

USA 1976 Chemistry Centenary Plate Block of 12 Postage Stamps, MNH

Regular price $7.95 $0.00 Unit price per

These 13-cent Chemistry postage stamps were 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.

Mint never hinged condition.