Curious as to the investigator looking for seatbelt installation.
A single point belt offers no significant protection of a 35 mph direct rear end crash pulse, particularly with the seat engineering of the day. Belted or unbelted, the injuries would be very similar, if not identical.
Si Vis Pacem Parabellum
1967 Starlight black PMD Engineering 400 Auto 1968 Alpine Blue 400 4 speed 1968 Verdoro Green 400 HO 4 speed 2013 1LE 2SS/RS Inferno Orange Camaro.