HO scale, West Side Model Co   SP GS-8 locomotive originally,  professionally customized as:

Cotton Belt (SSW) 4-8-4  # 819 Northern steamlocomotive.   Professionally installed Soundtraxx  DCC, sound and lights (including back up light in tender) plus current Keeper installed.   Original  GS-8 box, but not original center foam.
Runs and looks fantastic.  Customized with specific uniqueness to  # 819.
Rare and hard to find - not sure if #819  was commercially available ever, in plastic or brass.

Sold as described.