Spokane, Portland and Seattle 700
Spokane, Portland & Seattle 700 is the oldest and only surviving example of the class E-1 4-8-4 "Northern" type steam locomotive and the only surviving "original" (not purchased used from another railroad) Spokane, Portland and Seattle Railway steam locomotive. It was built by the Baldwin Locomotive Works in May 1938.
Source: Wikipedia — Spokane, Portland and Seattle 700 (CC BY-SA 4.0)