United States Aerophilately; Rocket Flights, 1959.

United States Aerophilately; Rocket Flights, 1959.

United States Aerophilately; Rocket Flights, 1959.

First Official Missile Mail USS Barbero SSG-317. Flown dated June 8, 1959 U.S.S. Barbero, to Mayport, FL, incl. letter from Postmaster General, scarcer rounded back flap variety, Fine to Very Fine. Ellington-Zwisler #25C1, 3000 flown.
Estimate $500-700.
Dealer Harmer-Schau Auction
Starting Price: 350.00 US$
(via Philasearch.com: Harmer Schau Auction - item 40-A100-1)