[LargeFormat] Speed Graphic 2x3

[philip.lambert]

I am addressing this enquiry to Les Newcomer as he seems to know more than
(almost) everybody.  I bought a little Mahoganite S Graphic (with no FPS)
because I had one a time ago.  The previous one just about handled my 65mm
f6.8 Angulon. This one handles my 1970s f5.6 47mm S Angulon and even allows
a little rising front.  Were there different models of this plastic 2x3 ?
Thanks for all information.
(My Linhof Technika 6x9 only manages to use the 47mm on a fancy helical
focussing mount and nil movement)  Philip