A collection of items from John Lennon's Ascot Sound Studios (his Tittenhurst Park home studio), with signed provenance from Eddie Veale - founder of Audiotek - who installed Lennon's studio and removed/stored it after Ringo later bought the house and built Startling Studios in 1973.
Items were originally part of an auction of John Lennon's studio gear: https://www.bbc.co.uk/news/entertainment-arts-13239616
Some feature in photos in Yoko Ono's book: Imagine John Yoko