Pencil notations at bottom;no backstamps to confirm that the cover reached Germany. See additional auctions under IDs paperhistory and budgetcoverbox.Please consider joining the American Philatelic Society! The item "May 6, 1937 Hindenburg airmail cover (day of crash) NY to Germany 4499" is in sale since Saturday, February 23, 2019. This item is in the category "Stamps\United States\Covers\Postal History". The seller is "paperhistory" and is located in Solon, Ohio. This item can be shipped worldwide.