St Vincent 1986 Halley's Comet 75c (Newton's Telescope) imperf gutter pair unmounted mint from uncut proof sheet, as SG 975. Note: The design withing the gutter varies across the sheet, therefore, the one you receive,may differ fr……Details Below

St Vincent 1986 Halley's Comet 75c (Newton's Telescope) imperf gutter pair unmounted mint from uncut proof sheet, as SG 975. Note: The design withing the gutter varies across the sheet, therefore, the one you receive,may differ from that shown in the illustration.