Britain and Ireland | Royal Institute of Chemistry Centenary Set of Four Great Britain Postage Stamps Issued 1977 Multicolor

Description

This collectible set of four British postage stamps was issued to commemorate the Royal Institute of Chemistry Centenary. Stamps depict: Steroids – Conformational Analysis; Vitamin C – Synthesis; Starch – Chromatography; and Salt – Crystallography.
Issue date: March 2, 1977
Size of each stamp: 41 x 30 mm
Colors: Multicolor
Designer: Jerzy Karo
Printers: Harrison & Sons Ltd.
Emission: Commemorative
Perforation: 14? x 14?
Printing: Photogravure
Mint, never hinged condition.