Sorry- Hi Standard Sentinel began production in 1955, and I can find no High Standard with a brass frame. There were some with gold colored aluminum frames- values about $200-$300.
10-500 USD or so
Does not exist. The R 101 series was made in the 1970-80's
50-125 or so
50-100 USD
80's
Your Hi Standard snub nose revolver is valued at between 40-190 dollars depending on overall condition and a good bore.
No.
Try e-gunparts.com for parts. James Spacek wrote a book about Hi-Standard Pistols and Revolvers. TRY THE BLACK MARKET
.22LR, 10 shot, blued steel, hard rubber grips, made 1932-1942, value about $350-450, depending on condition.
Try gun shops, gun shows, want ads, pawn shops, egunparts
Try gun shops, pawn shops, garage sales, want ads, for sale ads, estate sales, egunparts.