Lot 811
811
unused Block of Four -- 3a. on 1r. yellow, a lower left corner block of four, variety surcharge inverted, fine mint. A rare positional multiple. S.G. 33a, £1,500. Photo
unused Block of Four -- 3a. on 1r. yellow, a lower left corner block of four, variety surcharge inverted, fine mint. A rare positional multiple. S.G. 33a, £1,500. Photo

Details
unused Block of Four -- 3a. on 1r. yellow, a lower left corner block of four, variety surcharge inverted, fine mint. A rare positional multiple. S.G. 33a, £1,500. Photo