CANADA 1851 SG2 Proof 6d Prince Albert in dark grey overprinted Specimen
Stock Code: P201008926
1851 6d 'Prince Albert', imperforate plate proof in dark grey on India paper, with vertical 'SPECIMEN.' opt in carmine, block of 4 with large to very large margins. Very fine and most attractive. Made c. 1851-54, prior to the addition of marginal inscriptions. Unitrade 2TCvii.
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