Worldwide Stamps and Covers

1923 10m on 5m+5m (positions 87/90, 97/100) and 20m on 5m+5m (positions 81/84, 91/94), right sheet margin blocks of four, l.h. or n.h., fine-v.f., rough perforations (made by "Paevaleht" newspaper for the Aeronaut Company), first one signed Teetsov (director in both companies), the latter signed Stolow and Gleason, with 1977 Philatelic Foundation Certificates. A wonderful Air Post and Estonian rarities (Mi.43A,44A, Euro 8,000, for hinged singles)
Cat. Val. $3,000
Estimate: $5000