0108CA1810 - Canada #108/9 - Mint Sample Proof Set
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STAMP #: 108/9


MINT/USED:


TYPE: Set


GRADE: VF


DESCRIPTION: 3c black & blue-gray, Admiral Reverse Sample Proof. These were made in Germany by Dr. Eckerlin as a proposal for a cheaper security printing method, the rotary intaglio process. The scarcest of the 5 known colours is deep blue-gray.