Those are early style Target Stocks which can be found in the November 1950 pricing catalog. I believe that Gagne’s son worked for S&W during this period and made those stocks. There were a few “prototype” examples of early Target Stocks in 1950-1952. I would not refer to them as Ropers but the man who made “Ropers” Mathias Gagne or his son likely made your set in my opinion.

__________________
Beau
SWCA #3106 - SWHF #643