U.S. AIRMAIL COVER COLLECTION, inlcludes over 200 various covers, contained in a large cover album, very strong in First Flights, also some event and registered covers relating to the Airmail area, the overall condition is mixed and faults are to be expected, there are dozens of better covers here with retail values in the $10-50 range with some higher, well worth a good look, (ENV 500-600) (Image)

see Estimate