The year a HS model 10 22 revolver was made should be stamped on the metal below the barrel on the left hand side of the gun. This will be a bit ahead of where the grip begins.
You can find out how old an HS Model 10 22 revolver is by taking it to a local pawn shop or gun dealer. You can also use publications that are written to help identify the age of a revolver.
Model 10
100-1000 USD depending on EXACTLY what you have
Well since that seems to be the serial number on my model 10 revolver, it's worth $269.00. That's what I bought it for.
75-400 USD
10
9 shot.
A K frame revolver
1961-1962
50-450 usd
50-300 usd
50-400 usd