Actually in this 1989 My Bloody Valentine concert Bilinda Butcher is playing what looks like a Hamer or Jackson, instead of the obligatory Jag/Jazzmaster; it's kind of jarring to see!
If you search Google Images for 'Bigsby 12 string' you'll find a few more examples like mine, for instance I came across two on guitars by Australian company Maton, here's one of them:
Gibson bought out Bigsby in 1966 and I think this look is peculiar to that era - here's a '66 SG:
Examples from just a few years later seem to always look different, they don't have that kind of faded look to the print. It's heartening to find an example on a real Gibson - as I said, I always wondered if mine wasn't a knockoff.