Can you date this d40?

[repetitionandnoise]

Can anyone tell me the the manufacturing date for this d40. Serial number is 47783. Check out the photos!

 

[twocorgis]

Can anyone tell me the the manufacturing date for this d40. Serial number is 47783. Check out the photos!

Looks like 1970 by @hansmoust's list. Made in Westerly most likely. Cool guitar!