Worldwide Stamps and Covers CZECHOSLOVAKIA Air Post
Sale No: 0619
Lot No:4117
Symbol:*Pe
Cat No:C1-6, var.
1920 surcharges on perf. and imperf., specialized group including regular set of six, inverted surcharges (C1a-3a), line perf. 13 3/4 (C6b) also inverted (C6c), plus imperf. trial printings on Hradcany stamps, various colors and values (15 different), also 13 different proofs of the overprint, nine different printer's waste items, including double surcharges, open and closed Spiral varieties, as well as two covers, each franked with the set of three imperf. stamps, many signed Gilbert, fine-v.f. and interesting group (Cat No. C1-6,var) (Image)