Lot 354
354
unused -- Type O2 on ¼a. ultramarine (defect at foot), ¼a. greenish blue (lower right corner example, ½a. and Type O3 on ¼a. greenish blue (upper right corner example) and 2a., fine mint. S.G. O47B, C, 47bB, C, 48B, 50C, £520

Details
unused -- Type O2 on ¼a. ultramarine (defect at foot), ¼a. greenish blue (lower right corner example, ½a. and Type O3 on ¼a. greenish blue (upper right corner example) and 2a., fine mint. S.G. O47B, C, 47bB, C, 48B, 50C, £520