I think @pigman is suggesting the opposite to me! I'm not convinced - looks too curvaceous, plus the italicised DA logo makes me think it's 7800. There should be an engraving on there somewhere to settle it!
Seen these crop up on a few forums lately but have been late to the party. Wondered if anyone has a set of these in good condition which they can afford to part with? Let me know, cheers!