The hitherto 'illegal' Blackburne DS-107 Double Strung racquet, with two sets of strings which are taken flush to the edge of the frame eliminating de

The hitherto 'illegal' Blackburne DS-107 Double Strung racquet, with two sets of strings which are taken flush to the edge of the frame eliminating deflections and miss-hits off the frame, and providing a larger hitting surface, banned by the ITF for 10 years, in mint original condition and with the original carrying bag; sold together with a Wilson Titanium 'Roger Federer' racket signed on the frame by Pat Cash (2) not illustrated