Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - Bolivia - NEAT AIR POST GROUP: 1923-30, ''Bo'' overprints on Colombia SCADTA stamps of 5c-1p and registration stamp, plus Zeppelin set of 5 common values, full/large part of OG, F/VF, C.v. $278, Scott #C11/16, CLBO1-8, CFLBO1