unused Block of Four $2 bright purple and violet block of four with diagonal handstamp in blue, fine mint. B.P.A. Certificate (1960). S.G. J22a, £800. Photo
unused Block of Four $2 bright purple and violet block of four with diagonal handstamp in blue, fine mint. B.P.A. Certificate (1960). S.G. J22a, £800. Photo
unused Block of Four $2 bright purple and violet block of four with diagonal handstamp in blue, fine mint. B.P.A. Certificate (1960). S.G. J22a, £800. Photo
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