$325 in excellent down to $55 in poor condition. Add $45 if you have both cylinders and $20 more if it is nickel plated instead of blued.
10-150 usd
Standard model, VG condition, $100, convertible model $150. Page 74, Gun Trader's Guide, 32nd edition.
About $375-$450, depending on condition.
15-150 USD or so
Unless absolutely NIB, not worth more than a standard one.
Any gun that fires is worth something... The Hi Standard revolvers typically range from $150-300 if in good condition.
Depends on the revolver.
25-175 usd
your gun was made by sears/high standard. this model pattent was held by Sears and Roebuck .but it soon was marketed by high standard as the sentenal revolver .These are truly nice revolvers and are worth about 200bucks
The High Standard Sentinel mark IV is a 9 shot blue or nickel plated revolver with wooden grips that was made by High Standard Inc. It came in a 2 and 4 inch barrel length. This revolver in good condition may be worth from 175 to 275 US dollars.
15-150 USD or so
50-125 USD