Looks like 1915 but the 3 is a little too fancy.
Chico Officer Ed Martin May 30, 1909.
Photograph shows Butte County, Chico Police. [unidentified man - possibly
J. Evans, C.A. McEldonney, T.M. Fleck, Sam Fisher, H. Bowers, Ed Martin. Dated May 30, 1909.
Photograph shows the Chico City police office inside Chico City Hall. Seated is Chief Goe on the right and seated far left is Officer Ed Martin. Second from left standing is Samuel David Fisher. Circa 1908.
Chico Officer Ed Martin May 30, 1908.