Genus species: Penicillium chrysogenum

Series: Discoveries (United Kingdom 1967)
Catalog codes:
- Mi:GB 471
- Sn:GB 519
- Yt:GB 496
- Sg:GB 753
- AFA:GB 471
Emission: Commemorative
Perforation: comb 15 x 14
Printing: Photogravure
Size: 41 x 24mm
Colors: Multicolor
Face value: 1 s - British shilling
Print run: 10,718,389
Paper: coated with two phosphor stripes
Watermark: Multiple Crowns
Gum: GA Gum Arabic

Reference: colnect.com
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