GUYANA 1969 CITY HALL IMPERFORATE PROOF SINGLE
6c City Hall, Georgetown imperforate proof single mounted on De La Rue presentation card numbered '785/4' and dated '4-10-68'. Very scarce. Although approved, printed and prepared for release, the design was not issued until 17 November 1969 when it appeared with locally-applied 'CHRISTMAS 1969' overprint. Fresh and fine. SG512var; SC103var
