Lot of two flight flown commemorative covers, each 6.5 x 3.75, one bearing a stamped cachet, each signed in black felt tip by Teller. Both bear July 1, 1946 Navy postmarks, one with a handwritten address, the other address is typed. Both covers were flown aboard Dave’s Dream, which carried the fourth atomic bomb over Bikini Atoll. In fine condition, with light toning. R&R COA.