Circa 1932 3c on 2c carmine postal stationery envelope (H&G B13c) with return address 'Lt Sgt Karnykowski 24th Pursuit Squadron, Albrook Field P.C.Z.' on reverse used with COROZAL C.Z. duplex cds . Addressed to USA.
Circa 1932 3c on 2c carmine postal stationery envelope (H&G B13c) with return address 'Lt Sgt Karnykowski 24th Pursuit Squadron, Albrook Field P.C.Z.' on reverse used with COROZAL C.Z. duplex cds . Addressed to USA.