
10c deep ultramarine 'Quayle & Son' REVENUE issue with red 'POSTAL' overprint, a fine mint copy with variety OVERPRINT INVERTED. (SG 551 variety)
10c deep ultramarine 'Quayle & Son' REVENUE issue with red 'POSTAL' overprint, a fine mint copy with variety OVERPRINT INVERTED. (SG 551 variety)