used Vickers, Son & Co.: The selection comprising S.G. type 60 underprint on 1864-79 1d. plates 105, 124, 131, 135, 138, 145, 149, 158, 165, 1870 1½d. plate 3, also type 61 on 1½d. plate 3; mostly good to fine. S.G. Spec. PP198, 199, 204

Details
used Vickers, Son & Co.: The selection comprising S.G. type 60 underprint on 1864-79 1d. plates 105, 124, 131, 135, 138, 145, 149, 158, 165, 1870 1½d. plate 3, also type 61 on 1½d. plate 3; mostly good to fine. S.G. Spec. PP198, 199, 204