1-888-232-0282
STAMP #: 108/9
MINT/USED:
TYPE: Single
GRADE: F
DESCRIPTION: 3c 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. This is the scarcest of the 5 known colours, deep blue-gray.