Color certificate, 32.5x25.2 cm. (12¾x10"), small photograph of the blast mounted, gold foil seal at lower left.

A souvenir "In Memory of the Atomic Bomb Test. Bikini Atoll - Marshall Islands. Operations Crossroads. On Board the Good Ship U.S.S. Benevolence (AH-13)." The certificate, and the attached photo, are from the second ("Baker Day") atomic detonation on Bikini, July 25, 1946.