CANADA 1859 SG39 Proof 12½c grey-blue
Stock Code: P190011767
1859 12½c, imperforate plate proof in slate-grey on India paper, with vertical 'SPECIMEN.' opt in carmine at left (type A with thin letters). Slight thinning at top, and unobtrusive vertical crease, still very fine appearance. Only 50 stated to exist. Unitrade 18Pv.
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