Date Region Description Price Seller
USAPedal only. Some scratches on the finish but nothing su...$110.00
USAGreat shape, killer od ![Mad Professor Royal Blue Over...$127.50
USAPlease review pictures to confirm cosmetic condition. N...$135.00
UKAs new Mad Professor Royal Blue overdrive Custom editio...$196.68
USALike new. Bought and never found a use for it. Thinnin...$130.00
USAMad Professor Royal Blue Overdrive in very good conditi...$109.00
USAAw yeah here we go again, beautiful Blues Driver clone....$135.00
USARoyal Blue in good condition because of a few scratches...$149.00
AustraliaMad Professor Royal Blue overdrive pedal in good workin...$120.00
USANeed a new stomp box? Of course you do. This one sounds...$179.00