The note attached to the Thelonius Monk record appears to be a Post-It, but those didn't appear on the market until 1979/1980.
Among Calvin Evans personal items retrieved from storage is a Thelonious Monk record with a Post-It note on it. Post-It Notes weren't introduced until 1977.
Golden doodles were created in 1989.
Sloane accuses the reporter of libel. Legally you can't libel the dead.