Accident-prone naval airship that was lost in a weather-related accident on April 4, 1933, killing 73 of the 76 crew and passengers on board. Commemorative cover with a cachet honoring the lives lost on the Akron, signed vertically in ink by the ship’s only three survivors, “H Wiley,” “R. E. Deal,” and “M. Erwin.” Cover also bears a May 30, 1933, Lakehurst, New Jersey, cancellation. In fine condition, with a stamped address to lower right and mild toning. RR Auction COA.