GB 1965 4½d Wilding Chestnut Top Marginal UM BLOCK of TWELVE on Whiter Paper with Blue Phosphor Bands Applied by TYPOGRAPHY

Great Britain 1965 (June) 4½d Wilding Chestnut Top Marginal UM BLOCK of TWELVE on Whiter Paper with Blue Phosphor Bands Applied by TYPOGRAPHY (Bands Short of Edges on Sheet). The 8mm Phosphor Bands have been DISPLACED Resulting in 6mm at Left & 2mm at Right. SCARCE BLOCK. QE2 Specialised SG S98avar (SG 616bvar)