That would be an absolute bargain price Ken, Its a very correct car apart from a few small details.
I agree with you the 2 black rear bumper blocks are most likely pushing blocks.
Here is some more info:
https://www.hemmings.com/blog/2011/0...-safari-rally/
Photos by Franz Hernandez RIP
This is also worth a look, on the life of Franz
https://www.hemmings.com/blog/index....e-in-pictures/