Semovente da 90/53 variants

The various prototypes surrounding the Semovente da 90/53 M41M. These were mostly found and originally posted by Vollketten and Raptor Fulcrum from WOT. Two or three of the wooden mock-ups are from Ceva/Curami pics and posted here:
http://ritastatusreport.blogspot.com/2016/01/italys-big-guns-semovente-m41m.html

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From Bottom to top we have the Studio 90/53 based on the M40 hull.
Next is the Prototype Semovente 90/53 with reduced gun shield.
Then we have the Semovente da 90/53 M41M (production model)
To the right of that we have the Semovente da 90/53 M42M (The M15s hull)
Above that we have the Semovente da 90/53 CA (anti air) version possibly mounted on the P40 Chassis.
The top mock up is another CA 90/53 (anti air) version possibly mounted on the P43 Chassis.
The two top right vehicles are simply the Semovente 149/40 and its wooden mock up.
 
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