I went through a few catalogs and I was quick to find this one. I started in the 1920's. This is a cut and paste from the Ken Wel '24 catalog. Looks pretty close to me. Another thing of note, model numbers (9 on the mitt) don't appear on many of the early or crude baseball gloves and mitts, which would lead us to believe it is a professionally manufactured piece and not that early.
Sorry for the small pic. Had trouble formatting it to upload. You can see it better in the full catalog in the library on my site.
JD
www.baseballglovecollector.com