This envelope is postmarked July 25, 1907. Enclosed, on Columbia River & Northern Railway Co. letterhead, is a cover letter written by Chas. H. Gaylord to a separate formal letter of recommendation. (The formal recommendation letter is missing.) The cover letter starts with:  Enclosed please find my “testimony” which I very gladly give, and hope it may be of some use to you in getting your name and work before the public wherever you may go.