Group of four cargo bay identification cards flown on Space Shuttle missions, each measuring 5.25 x 4, including two carried on the Discovery for STS-121 and two carried on the Endeavour for STS-126. The cards carried on STS-121 include a yellow "Docked OPS Bag" card and a white "MISSE PEC 4 / MISSE PEC 3" card. The cards carried on STS-126 include a yellow "EMU Gloves" card and a white "Trundle Bearing Assembly" card. In overall fine condition. Accompanied by four generic printed certificates of authenticity from a Boeing Quality Inspector, in part: "Each card was flown into space to the International Space Station on either the Space Shuttle or on an ATV. They were used in the cargo bay to denote whether the items contained inside were equipment, food, clothing, or whatever was needed to support the astronauts and the ISS…Each card was retrieved after a subsequent shuttle returned from its mission."
