Worldwide Stamps and Covers CZECHOSLOVAKIA Air Post
Sale No: 1221
Lot No:514
Symbol:*e
Cat No:C1-C3P, C4-9
1920 surcharges, perf. 13 3/4:13 1/2, also four color trials of 28k surcharges, incl. one in brown red on white paper, also 1922 issue, complete set on flown cover from Marienbad to Prague, fine-v.f., signed Gilbert (Cat No. C1-C3P, C4-9) (Image)