First, welcome to the forum!
Gart Brothers Sporting Goods sold a couple of batches of these over the years in their stores. If yours is 10 plus years old it is probably product code #103654. The Standard Catalog of S&W (3rd edition) says that they were made for Gart Brothers w/ 6.5" barrel, round butt, 300 made in 1996. Serial numbers should start with RMH.
I think I saw another batch of these years later with MIM parts and likely internal locks.
Can't really speculate on current value.