1911 "Fore-doors"
These unusual add-ons appear to be a retrofit.  The installation is rather crude, particularly with respect to the latch striker plate.
Mounting hardware appears to be substantially the same as the 1912.

1912 Fore-doors
-click here-
Phil Mino
Strathmore, CA

fordfarm@sosinet.net
philmino@fordfarm.net