One of 59 flown Apollo 13 plugs removed from the heat shield of the command module Odyssey. The full plug measures approximately 1.25 x 1.25 and is encased in a 2.75 x 2.75 x 2.75 Lucite cylinder imprinted with the mission name and date. Bottom of plug is engraved, “44.” In fine condition. Accompanied by a letter of provenance from Virginia Swigert, the sister of command module pilot Jack Swigert, in part: “I certify that this…Heat Shield Plug in Lucite is from Jack Swigert’s personal collection.”