Date Region Description Price Seller
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
USAGreat overdrive, box included ![Mad Professor Royal Bl...$120.00
UKIf you like Matt Schofield or low gain drives for blues...$177.12
USAWorks properly. ![Mad Professor Royal Blue Overdrive]...$142.00
USAMint condition Velcro Original box in good condition ...$180.00
Japan[Product Description]The Mad Professor Royal Blue Overd...$222.87
Japan[Product Description]The Royal Blue Overdrive by MAD PR...$223.01
USAMad Professor Royal Blue Pedal Mint Condition. Mint c...$132.50
UKHere's my Mad Professor Royal Blue Overdrive, couple of...$153.80