Dragon Cards: Discovery of Insulin
Dragon Cards first day covers

Dgn 746 Discovery of Insulin $4.00

Sc. 3287 Discovery of Insulin (Canada) on a 5"x7" Dragon Card depicting syringe and vial, with a laboratory background. Inset photo shows insulin pioneers Charles Best and Frederick Banting. First day postmark. Great for a medicine-, medical-, health- or diabetes-on-stamps collection!

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Dragon Cards first day covers