They can be bought for free?
Yay!
Received my "back in stock" notifications for two of the Class 55's this evening!
Have you thought about adding a "protoype age" sort option?
Or failing that, even adding the dates that the loco carried the particular livery to it's description?
I know that the Porterbrook Purple one only ran from something like 1999 until 2003, but it looked too cool to miss out.