Quick view Precision Scale Precision Scale D&RGW PSC-17183-2 Silverton Coach #319 On3 Brass $525.00 Precision Scale D&RGW PSC-17183-2 Silverton Coach #319 On3 Brass. On3 Scale Brass Model Passenger Car from Precision Scale Co. Used Excellent++. Needs TLC.PSC #17183-2 - Denver & Rio Grande... Add to Cart Add to Wish list