50th Anniversary of Discovery of Insulin 6 ¢ — Canada, 1971
50th Anniversary of Discovery of Insulin (Canada, 1971), face value 6 ¢. Photo, catalogue value, details and photo identification.
- Issue date
- 1971
- Face value
- 6 ¢
- Colors
- Multicolor
- Print run
- 24,200,000
- Yvert
- CA 454
- Michel
- CA 476
- Stanley Gibbons
- CA 675
- Scott
- CA 533