Flown fragment of a Skylab oxygen supply tank recovered in Western Australia after the space station's fiery reentry in 1979, approximately 1.5˝ x 1.5˝, encased in a pyramidal 3.25˝ x 4.5˝ x 3.25˝ block of Lucite with a Skylab emblem at the bottom. The underside bears printed information text. Includes its uncommon presentation stand and box, as well as its authentication booklet. In fine condition.