THULE 900 EASYBASE BACKUP 420 LITRES ?

i have a thule 900 easybase backup 420 liters box,this is just for the box and not the towbar rack ,the box is 3 years old but only used 4 times it has some scratches with lying in shed but still in good condition ,i will try and get actual pictures on as soon as possible,comes with 1 key but extras can be ordered thanks for looking.these still retail for 280 thanks for looking..this also fit on the Thule Euroclassic pro 102 103 Towbar Mounted 3 Bike Rack may fit other classics,or could be mounted on a trailer,looking for 150 or near offer