Estados Unidos
Automatically generated translation
Yvert 229, 245. 1928. 1 cent green on Postal Card from LONG ISLAND to KARLSRUHE (GERMANY), with complementary postage of 2 cents red and 50 cents violet. On the front it says FIRST FLIGHT AIR MAIL / VIA GRAF ZEPPELIN / UNITED STATES-GERMANY, in purple and on the back it reads FRIEDRICHSHAFEN. MAGNIFICENT.