http://www.ebay.ie/itm/MOTORBIKE-MOTORCYCLE-MOPED-ALUMINIUM-QUALITY-TAX-DISC-HOLDER-WATERPROOF-SILVER-/161231863838?hash=item258a2b001e
the bike would be in the UK .we used to have rego discs for bikes in aus but they got canned years ago.they were handy for covering the number plate so rear facing speed cameras couldnt get the whole plate number.