Worldwide Stamps and Covers LATVIA Air Post Semi-Postals
Sale No: 0322
Lot No:1017
Symbol:e
Cat No:CB21-24
1933 Airships (Zeppelin, etc.), imperforate singles set of four, used on registered and flown cover from Riga (7.10.33) to Hamburg, v.f., with red Berlin forwarding cachet, transit and arrival pmks on back (Cat No. CB21-24) (Image)