http://cgi.ebay.co.uk/Lima-class-33-weathered-OO-HO_W0QQitemZ270545669819QQcmdZViewItemQQptZUK_Trains_Railway_Models?hash=item3efdc74ebb#ht_500wt_1182
Simple process of weathering - place loco in a damp box and store in a musty old cellar for 3 months, remove, clean off any mouse droppings (just teh lumpy bits - dn't want too much texture), and carefully dry under a 200 watt lamp (not too close of course), photograph and then advertise. I wonder how many more are brewing away below stairs?
The Stationmaster
Not sure if this Class 33 has actually been authentically weathered by being left in someone's loft for guano and asbestos dust to collect on it. Well, that's the polite description for the technique used; others call it pebbledashed:
'CHARD
Boy that has to be the best laugh i have had in a very long time and the best thing is someone brought it!!!