Proof Specimen 1922 (c.) printer's samples, a selection comprising 75c. brown imperf. and perf., 4r. pale blue imperf., perf. and a pair imperf. vertically, 10r. indigo perf. and 20r. blue-green and indigo imperf. and perf., each overprinted "SPECIMEN", fine

Details
Proof Specimen 1922 (c.) printer's samples, a selection comprising 75c. brown imperf. and perf., 4r. pale blue imperf., perf. and a pair imperf. vertically, 10r. indigo perf. and 20r. blue-green and indigo imperf. and perf., each overprinted "SPECIMEN", fine