Porsche 906 Carrera 6, 1966
6-Zylinder Boxermotor (Mittelmotor)
1991 ccm, 210PS@8000
Robic Nr. 119

The Porsche 906 or Carrera 6 was the last street-legal racing car from Porsche. 65 were produced in 1966 to allow homologation for racing in the FIA's new Group 4 Sports Car category, although the type would also compete in modified form in the Group 6 Sports Prototype class.

See also http://en.wikipedia.org/wiki/Porsche_906 & http://auta5p.eu/muzea/rosso_bianco_2005/rb_098.htm

This car sold at auction after the museum closed, details here