Three segments of graphite pencil lead flown on the Skylab 3 and 4 missions, each affixed to a presentation certificate. Also includes a section of Skylab parasol material, a commemorative medallion, five different decals, a red-numbered NASA photo, and certificate bearing pre-printed signatures of the SL-4 astronauts. In overall fine condition. From the collection of aerospace memorabilia specialist Ken Havekotte.
