Date Region Description Price Seller
USAVelcro ![Mad Professor Royal Blue Overdrive](https://...$90.00
EUThe Royal Blue is a boutique overdrive pedal designed i...$170.01
UKHere's my Mad Professor Royal Blue Overdrive, couple of...$153.80
USAMad Professor Royal Blue Pedal Mint Condition. Mint c...$132.50
Japan[Product Description]The Royal Blue Overdrive by MAD PR...$223.01
USAMint condition Velcro Original box in good condition ...$180.00
USAWorks properly. ![Mad Professor Royal Blue Overdrive]...$142.00
USAGreat overdrive, box included ![Mad Professor Royal Bl...$120.00
AustraliaMad Professor Royal Blue overdrive pedal in good workin...$120.00
USARoyal Blue in good condition because of a few scratches...$149.00