Made by K.T, & K. Co (East Liverpool, Ohio). I believe this would date to around 1910.give or take a decade. Good luck!
1904 train Report WESTERN MARYLAND RAILROAD Edgemont MD Cherry Run WV Orrtanna
A Colorful Look at CONRAIL's SD-40 And SD 40-2s - (Brand NEW Book in FULL COLOR)
TOMIX N gauge Basic Set SD Blue Train 90185 Model Train Rail+Power Unit Tomytec
TOMIX N gauge 313series SP Rapid 90188 Model Train Rail Power Unit Basic Set SD
Simplex 60 SD locomotive sales specification sheet like Motor Rail
