HY-Score had several different companies making air guns for them under the HY-Score name. It's very difficult to answer this question without the model number or any description of the current condition of the rifle. So many companies made air guns for Hy-Score that current blue books don't carry very many listing in the crossover list for HY-Score. It is very possible that your rifle may have been made by Diana, Hammerli, BSF, EM-Ge, or Izhevsk Vostok.
As for worth. WHAT CONDITION IS IT IN?
20-100
According to Guns Internationals, a Savage Arms rifle model 24 is worth an estimated $795.00 in god condition. The prices will vary depending on condition.
$100
50-450 usd
Inexpensive. No real history to speak of.
Impossible to answer without more information.
What condition is it in. That determines the value.
50-100 USD
How much is a savage Stevens favorite rifle model 71 worth ? How much is a savage Stevens favorite rifle model 71 worth ? How much is a savage Stevens favorite rifle model 71 worth ?
Depends on which Model, and the condition. Anywhere from $300 to $600 for an exceptional rifle.
300 or so
15-125 usd