She got the green backs, my-oh-my...
Who better to comment than regular Record Collector contributor and original Manish Boys member Bob Solly. Here's the last paragraph from Bob's Q&A...
Interesting that while there's no mention in the article, it seems the very same copy is coming up for sale at Bonhams Knightsbridge
However, while the Bonhams' estimate is £2,000 - £2,500, it seems unlikely it will reach that figure in light of Bob's observations about the stock copy being rarer.
At this point I'm not sure which version of the tracks the acetate contains, though it's likely to be the same as the originally released versions. However, different vocal takes of both tracks surfaced on the 1991 Rhino compilation: Early On (1964-1966).
I'll leave you with details of a few other Bowie-related lots in the
Lot No: 139 - An autographed Tyrannosaurus Rex concert programme, 1969, the front cover listing David Bowie-Mime and signed by compere John Peel, centre pages signed by Marc Bolan and Steve Peregrine-Took - Estimate: £300 - 400, EUR 350 - 470.
Lot No: 190 - Jimi Hendrix's Epiphone FT79 guitar, owned by Alan Parker and apparently used during the recording of Diamond Dogs. - Estimate: £80,000 - 120,000, EUR 94,000 - 140,000.
Lot No: 226 - An autograped 1992 Freddie Mercury Tribute concert poster, signed in black markers by those taking part, including the three remaining members of Queen, David Bowie, Elton John, George Michael, Robert Plant, Slash and Seal, all obtained during rehearsal or at the show itself on 20th April, 1992. - Estimate: £800 - 1,200, EUR 940 - 1,400.