CANADA 1971 6c DISCOVERY OF INSULIN. PLATE BLOCK UNITRADE CATALOGUE #533. ALL BLOCKS ARE MINT FINE WITH LIMITED HANDLING UNLESS OTHERWISE NOTED.
PREFER PAYPAL, BUT, MONEY ORDERS AND CHEQUES IN CANADIAN OR US $ OKAY. GIVE DISCOUNTS ON MULTIPLE ITEMS, $2.00 FIRST ITEM AND THEN $0.50 HANDLING CHARGE PER ITEM THERE AFTER WITHIN A 7 DAY PERIOD OF ORIGINAL PURCHASE.
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