1931 Turkey Retour 1st Flight Cover Amsterdam via Breslau
Code: B07092
Turkey: 1931 (29 April). First Flight between Breslau and Istanbul cover from Amsterdam by train to Breslau receibed 1 May first flight datestamp and on reverse Istanbul 2 May arrival cds. Returned to sender with black IADE / Retour handstamp. Muller 447
