Cobalt Therapy, 1951 (Canada 1988)

17 June (Canada ) within release Canada Day - Science and Technology goes into circulation Stamp Cobalt Therapy, 1951 face value 37 Canadian cent

Stamp Cobalt Therapy, 1951 in catalogues
Michel:	Mi:CA 1089
Stamp Number:	Sn:CA 1209
Yvert et Tellier:	Yt:CA 1051
Stanley Gibbons:	Sg:CA 1295

Stamp is vertical format.

Also in the issue Canada Day - Science and Technology:

• Stamp - Kerosene, 1846 face value 37;
• Stamp - Marquis Wheat, 1909 face value 37;
• Stamp - Electron Microscope, 1938 face value 37;
• Stamp - Cobalt Therapy, 1951 face value 37;