Worldwide Stamps and Covers Bolivia Air Post stamps
Sale No: 81
Lot No:450
Symbol:P Bl
Cat No:C13/16
Air Post stamps. 1930, trial Zeppelin three-line overprint ''Correo Aereo. R. S. 6-V-1930'' in brown, complete setting of 25 overprints printed on thin paper, several paper folds, no gum as produced, VF and very rare, two experts' hs at the bottom right (Image)