You noted in the other Famex thread about the Bohin razor, but the design of that baseplate is a different, sturdier, plus the baseplate itself is marked on both sides to reflect closeness of shave.
Wait, Alex has already come through, but I forgot about it (see the two pictures at the bottom of this old post).
http://badgerandblade.com/vb/showthread.php/396524-Famex-S-O-S-(pun-intended)?p=6094869#post6094869
Kcb's assertion about the correct position of the baseplate is looking very strong right now ...