France Stamps Rare Set of 6 Large Die Proofs of France Imperial Collection. Rare Set of 6x Large Die Proofs of France Imperial Collection series. 1945 Exposition with each in different color.XF Rare set of proofs. This item is in the category "Stamps\Europe\France & Colonies". The seller is "anthonysnj-stampsandcoins" and is located in this country: US. This item can be shipped worldwide.