Re: S&W model 37 and 10
The Chief was between 1983 and 1988. The SN list puts that J number in "1983 - xxx", so '83 forward. They brought out the 37-1 in '88.
The SN on the M&P was made in 1961 or 2. They brought out the 10-3 in '61, so that falls in nicely with what the serial says.
Meddle not in the affairs of dragons, for thou art crunchy, and taste good with catsup - George of Lod, Year of Our Lord 297
I always take precautions.
Beware the Evil Bullet Fairies.