9 shot.
Check the on line auctions.
With the serial number that you have provided,your Hi-Standard R101 was made in the year 1957.
I have HS R101 sn 746654 that I purchased new in about 1956 or 1957. At that time I was about 17 YO and walked into my local hardware store and bought it. I remember the clerk telling me it was a "new model"
10-250 USD or so
1955.
I have a HI-STANDARD DOUBLE NINE .22 CAL REVOLVER, Model # W-101, Serial # 1091897. When was this Revolver Manufactured?
15-150 USD or so
1965
46 years
40-300 usd
High Standard 1959
75-125 USD