Dating S&W Model 15-3???

[GBAH3245]

Serial number reads 5K955XX.... Does anyone know what year it was manufactured?
THX

 

[GunarSailors]

Maybe 1974?

 

[P&R Fan]

Catalog says 1974
Jim

 

[GBAH3245]

Where can you find this catalog?

 

[Engine49guy]

Amazon maybe...google standard catalog of S&W by Supica and Nahas