On Peter Monteverdi's old rebodied 750

I did not notice until the other day that Peter Monteverdi built a Ferrari 750 roadster into his own berlinetta, using a Swiss coachbuilder. He was actually a Ferrari dealer before he built his own cars, securing the Swiss distribution rights by being a fast talker.
There is a picture of the coupe here:


http://i.wheelsage.org/image/format/picture/picture-medium/f/ferrari/750_monza/ferrari_750_monza.jpeg

Now I first thought he rebodied it for himself to race, but then in looking at the resume of 0485M54 on barchettacc.com
they list it as as being restyled and rebodied for a Swiss customer in 1957, but apparently still on loan to piloted by Peter in a hillclimb.
I'd like to hear if anyone knows the price the car sold for among any of these Swiss owners though the price of $8500 in RT is enough to already qualify it as a "barn find." That price seems high for 1960 to me? I mean they were probably discriminated against for not having a full twelve cylinder...

The coupe body by the way was last reported in the hands of Oliver Kuttner the one time car guy (now politician) in the Southeast (I remember when he was crazy about Bizzarrinis)

57 - Dr. Alfred Hopf, Basel, CH FW50 p43, 44
57-58 - rebodied for Hopf as Ferrari-Monteverdi "750 GT Berlinetta" by Sauter - blue met./white leather FY58
"BL 69"
CaS 7/95 p94
58/sep 4th OA 1st IC Mitholz-Kandersteg hillclimb Peter Monteverdi
5. - Robert Furter, Freiestrasse 40, Zuerich 7/32, CH - white "BS 17875"
59/nov - offered by Furter in AMS 34/59 p46:
"Zu verkaufen 750 Monza-Coupé. Einmalige spez. Ausführung, Spitze 270 km/st. Motor 4 Zyl. 270 PS. Robert Furter, Zürich (Schweiz), Freiestraße 40."

60/jan - still offered by Furter, now in R&T for $8.500.-