I recall that questions were asked here about Strats retro-fitted with Bigsby vibrato units and it was observed that Cliff Richard had owned such a guitar (and may still own it). This was in the late-70s period (just before Fender launched the USA and Japanese vintage reissue series), but it proved difficult to provide a photo of it. There's a fragment of one in Otto Kasper's discography volume, but it is hardly complete. Here's a better photograph of that instrument, seen today on a BBC-linked website: