A comparison of the genuine and forged examples of first issue stamps from selected countries
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(1.) 4 mm space between the "5" and the "c". (2.) Exp: PF cert. (It is genuine, previously hinged). Notes: do.
(1.) 2.5 mm space between the "5" and the "c". (2.) Exp: APS cert (a forged overprint). Notes: do.