Flown metal fragment from the Gemini 5 oxidizer tank, measuring 2.5 x .5, presented in an acrylic block against a wooden 6 x 8 plaque bearing metal plate with text raised in relief: “Test Sample from Recovered Stage I Oxidizer Tank of GLV-5 Launched August 21, 1965.” In fine condition, with soiling to the metal plate and a chip to one corner of the plaque. The tank held the oxidizing chemical needed for the fuel to burn and thrust the spacecraft into orbit.