It is a Mauser 98 action.
100-400 USD
With your Interarms mark X in excellent condition,you make expect the value to be between 375-500 dollars,for your bolt action rifle.
Yes.
100-450 USD
100-300
Yes
although the interarms is a good rifle. the value is not very high (don't know why) I sold one about 8 years ago for $300 and it was like new..................
No published sn data.
Depends on condition- but about $300-$350
No published SN data I know of.
No sn data in the public domain.