Up for auction is a truly unique piece of mechanical puzzle history: an original, hand-cut working prototype straight from the personal estate collection of the late master puzzle designer, Bill Darrah.This item is a 6-piece interlocking burr puzzle. What makes this piece extraordinary is that it is not a finalized production model, but a raw, physical "first draft" created by Darrah himself. The pieces feature original, hand-cut notches complete with the visible saw marks and minor adjustmen...
$40.00