The Spokane, Portland & Seattle Railway (SP&S) (reporting mark SPS) was a railroad in the northwest United States. Incorporated in 1905, it was a joint venture by the Great Northern Railway and the Northern Pacific Railway to build a railroad along the north bank of the Columbia River. Remnants of the line are currently operated by BNSF Railway and the Portland and Western Railroad.

Adlake kero stamped S.P.& S.
For The Spokane, Portland & Seattle Railway.
Globe is a red Corning Fresnel 
Fount is an Adlake no.300 with matching burner.

Condition  - very good,  with bright tin all over and light surface rust in spots. 
No heavy rusting or pitting,  no visible Condition issues present. 
Fount is clean , burner is free and turning. 

** has not been oil tested **