GCR O4/8 loco
Originally built for the GCR and ROD during WW1.
When Thompson took over after Gresley died, he started a major rebuild, anfd some O4 locos, both original and ROD were rebuilt with B1 type boilers and cabs.
Continued in service till 1960s.
Requires finishing off, wheels etc
Scale TT (1/100, 3mm/ft)
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more info about O4 locos here
https://en.wikipedia.org/wiki/LNER_Class_O4
more 3d printed models from Recreation21 here
http://www.rue-d-etropal.com/3D-printing/3d_printed_designs.htm
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