Whilst trawling through my collection to help Paul Rossiter identify the echo units and amps as used by The Shadows (most of which I'll let him update on the TVS site), I came accross the sheet music for Quatermassters Stores which has a picture on the front claiming to be from that recording session. We know that QS was recorded on the same date as Apache, we also know that Bruce played Cliff's J200 on Apache, but played his electric on QS (as per the pic), but did Cliff actually play on QS as per the pic? Bruce seems to think not as you can't hear an acoustic on the record, but did confirm the photo was genuine.
I've said for a long time that I believed that Apache was recorded using an AC15 and despite everything that was said to the contrary, this surely must be conclusive evidence.