File:Seattle City Light (logo, historical).svg

Summary
Seattle City Light logo used until mid-2010's, first use not clear, but could date back to 1974 when the City of Seattle logo was created, but may have been created as recently as 1999. See File:Seattle City Light (logo).svg for the current logo (as of this writing).
 * Description

PDF file (archive URL: https://web.archive.org/web/20191220184625/http://www.seattle.gov/documents/Departments/OSE/Benchmark/Obtain%20Usage%20Data_Seattle%20City%20Light.pdf)
 * Source

Simple logo with text/typeface, likely ineligible for copyright.
 * License