Lot 71849 – Bolivia 1925 Sucre/Oruro/La Paz special ovpts set

1925 (August) Special Airmail overprint set of three for the experimental flights to Sucre, Oruro and La Paz from Cochabamba, very faintly lh, a rare set with perhaps 100 of each overprinted, very fine, each signed G. Weyer and others, with S.F. Argentina certs (1952) signed by Dr. Elicabe et al. (Sanabria 1-3)