Flown double-sided 8.5 x 10.5 checklist page carried to the lunar surface as part of the Apollo 15 "LM Malfunction Procedures'' manual. This checklist page, dated April 12, 1971, numbered “7” and “8,” provides a 10-step malfunction index for the Primary Guidance and Navigation System , with tab marked to either side: “PGNS.” It was taken from the flown manual entitled "Apollo 15, LM Malfunction Procedures, Part No. SKB32100116-386, S/N 1001," originally from the collection of Dave Scott and sold by RR Auction in April 2018. In fine condition. Accompanied by a provenance packet that includes a certificate of authenticity from Artifact Cloud, and a notarized certificate attesting to its authenticity.
