GREAT BRITAIN 1967 (MNH) 3D VIOLET CYLINDER BLOCKS, GUM ARABIC, PERF TYPE F(L)
3d Violet cylinder 1 and 1. blocks x 6 with type A head, gum arabic, centre phosphor band, and type F(L) perforation. Fresh and fine. Mint never hinged. SG729; SGU8; SCMH5
Note: type F(L) perforation has a single hole extending into the lower margin of each column of perforations
