If it's a David R Stubbs from the UK, then it could be worth many coins, but I suspect it's not, as under 20 of those were made, and I
think they were all more traditional in layout.
Want a
wild guess? I reckon it
could have been made by Cape Town-based surfboard maestro Dave Stubbs, who makes acoustic and electric guitars in his spare time. Here's his website—you could send him a message to see if it
is one of his, and, if so, how much the school should hope for:
http://www.33surf.com