D.O.B. Help Please

[mercman]

Hi guys, I picked up a Nickel, Mod 29 (29-2) with an 8 3/8" Barrel, the Serial Number is N621710 can anyone please help me out with a D.O.B.
My mate has my Catalog and is away from home for the next few weeks

Les

 

[murphydog]

Looks like a 1979 ship date. Enjoy!

 

[mercman]

Looks like a 1979 ship date. Enjoy!

Many thanks.

Les