Here is a link to some Baker info:
http://www.bakercollectors.com/index.php?p=1_10_PhotosThis is Daryl's page:
http://www.picturetrail.com/sfx/album/view/17434920All the Baker C grade guns I have found (does not matter who's stamping) have 50,xxx ser# range. There is a later (1915?) boxlock. The Baker Standard and Baker Ejector,that is similar but not the same gun.
From Daryls site:
List of Trade/Sellers names on C grade Bakers:
New Era Gun Works
Montgomery Wards
New Haven Arms Co.(E.K.Tryon & Great Western Gun Works, Pittsburgh)
W. A. Abel & Co. Syracuse, NY
The Imperial, Clark's Imperial, Omaha, Neb