1935 Map of Bolivia, complete set of ten different large die proofs in issued colors, also a master die in brown (value tablet blank), each die sunk on full size card from the American Bank Note Company, last with natural inclusion, fresh and v.f., rare (Cat No. C42-51P) (Image)

Est.$1,500

1930 (14 May) 1st Pan American Flight, cover to Germany, with appropriate cachets and markings, v.f. (Image)

Est.$500