SOUTH AFRICA 1977 (MNH) PROTEAS CYLINDER BLOCKS, PERF 12½ X 12½
Proteas defintive series, perf 12½ x 12½, cylinder blocks x 6 (35 items) and cylinder strip x 5 (30c). Complete run, including A and B panes if applicable plus additional printings. A difficult specialist assembly. Fresh and fine. Mint never hinged. SG414-430; SC475-491; SACC418-434
