Flown fragment of a Skylab oxygen supply tank recovered in Western Australia after the space station’s fiery reentry in 1979, approximately 1.75″ x .75″, encased in a domed 2.5″ x 4″ x 2.5″ block of Lucite with a folded image and information sheet at the bottom. In fine condition, with a light scratch and scuffs, and a tiny chip to edge of base.