I'm cross-posting this blog to Lumberjocks. Here is my latest post over there.
New Antique Hand Planes tool purchase
I have found some more information on the last plane called a transitional plane. they were planes with a wood base and iron top. Its a brand called Oak Leaf. Simmons Hardware Company sold a catalog of stuff like Sears. Keen Kutter was a store brand that they sold as well. the Oak leaf tool like was created by WM Enders a company executive which I cant find much more information on. At first the tool line was labeled with Simmons Hardware above the Oak Leaf name inside of a Oak Leaf emblem. then later the Simmons was replaced with WM Enders.