Manufacturing date of October 15, 1967 is just a wild-ass guess, based on (a.) 1600ti production commencing approximately October 1967; (b.) the original silver-painted bezel surrounding the three instruments, a remnant of the 1967 1600-2 model; and (c.) the rear-view mirror mounted at the leading edge of the driver’s door, also a remnant of the 1967 1600-2 model.
An email with the VIN to BMW Group Archives would provide an actual manufacturing date and confirm of original exterior color — presumably Chamonix.
Highly original and rare car.