About 150-200
I think you have a High Standard Sports King. The grips are probably after-market. Value of these depends on excat model and condition, but may be $200-400.
Made by High Standard, value $150-$200.
High Standard named their rifles - Flitr King, Sport King, etc. Model A103 doesn't help. If it's a .22, max of $200 in excellent condition. If its a centerfire, max of $400 n excellent condition.
The larger the value of the standard deviation, the more the data values are scattered and the less accurate any results are likely to be.
10-200 usd
About 150-200
From completed auctions that i've found with minimal to no use it sells from $1400 to $1500.
Need condition and model.
No way to value with just the sn.
10-1000 USD depending on specifics
40-300 usd
25-125 USD or so
The value of a High Standard Sentinel Deluxe Model R-107 nickel-plated revolver can vary depending on its condition, rarity, and current market demand. Generally, they can range from $300 to $600 in good condition.
The JC Higgins Model 20 was a slide-action shotgun made for Sears by High Standard. Value, depending on condition, can range from $100-$225.
50-126
50-150 USD