I didn't know the DOB of my clark CY50 2.3t when I picked it up, it was the cheapest machine I could find at the time. I managed to track down the build card & it was made in 1964 with a holden six grey motor from factory. (its only a few years younger than me).
It was a bit neglected but no more, Its a joy to work on & a newer machine just wouldn't be the same.
The engine was missfiring a bit (running on LPG) so I fitted an Electronic dizzy of a 80's commode door & now it just purrs like a big cat.
I don't see too many of these around, maybe they are getting collected as well.