Model 10 production date?

[chef50]

I just picked up a S&W Model 10-6 with .38 S&W Special CTG on the barrel, and a serial number on the butt ...2D68475, I'm not exactly which site to look for it's build date. Anyone have a clue??
Thanks in advance, Steve in Tenn.

 

[Truckman]

1977......Ben

 

[chef50]

Thanks!!

Thanks Truckman, a guy could go crazy trying to find some info on the net. Hope you have a great weekend!!