U.S. AIR POST ISSUES FIRST DAY COVERS 1934-1960 INCL. BETTER CACHETS, 46 cacheted, virtually all unaddressed, FDCs incl. six with Fluegel cachets and nine with Crosby cachets, better incl. nos. C19, C22 (two), C23 (three), C25a, C26-31, C29 (Crosby), C51a (5), fine-very fine (Image)

$75