Philatelic Literature including Robson Lowe The Encyclopaedia of British Empire Postage Stamps, Vol.1, Great Britain & the Empire in Europe, and Vol.5 North America (in 2 vols, in slipcase); Oliver Firth Postage Stamps and their Collection, 1897, orig. gilt cloth; all in VG/VF condition, plus three others in mixed condition. (7)