Lot
3524 
1923 Airmails on cover. 13 1924-26 flight covers, trials, experimental and 1st flights; #C4(7) two with s.e., #C5(3) and C6(3), few cover flaws. Scott No. C4-C6; $427 Estimate $200 - 300.
Realized: $200
Sale 31: The Autumn Sale
U.S. Cover Collections - Back-of-the-Book Issues on Cover
Lot 3524
1923 Airmails on cover. 13 1924-26 flight covers, trials, experimental and 1st flights; #C4(7) two with s.e., #C5(3) and C6(3), few cover flaws.Scott No. C4-C6; $427 Estimate $200 - 300.