I'm building my one as 552, i used cut down pieces of the garden shed sides for the higher coping and scrap brass for the back. I better get back to building it..
Wow,excellent Richard!
Livery wise, I presume you are talking about UTA black? It had an attractive straw and red lining, that went very well with the black. Here it is on a W class mogul, fresh out of York road, from an overhaul..