The photo from above appears to solve the ? about the tender - pretty certain it is the Coronation type. It's even got the coal pusher.
Actually, saying 'the Coronation type' is a bit of a simplification - there were 4 types although you need expert knowledge to tell them apart. Photos of the types, and their allocation, can be found in Profiles of the Duchesses by David Jenkinson (I beleive he was a 'crab' as well) who was to the LMS what LC&DR and Caiptean are to the Southern
Over the next few days I'll try to send the relevant pages to you. If you haven't got them by the end of the comimg weekend please remind me (I mean that)