That question can't be answered. In order to value a pistol, you have to know the make, model, possibly the age, and exact condition.
Depends on model (and there are DOZENS of models of High Standard pistols) and the condition.
100-450 USD
If it is a standard model 94 it is worth about $350.00.
This pistol was made from 1979-1989. If you would like an estimate of value then you need to state the condition of the pistol from Poor to Excellent. With out that information it is not possible to give you an estimate of value.
If you want an estimate of value then you will have to state the model and the condition of the pistol.
25-140 USD or so
25-140 USD or so
It would be worth between $65 - $75
100 to multiple thousands depedning on specifics
The model 77 Bullseye target pistol in good condition is worth around $35 to $45.
There is no Remington Model 6 pistol, there has been however cases however of Remington Model 6 rifles converted to pistols by gun or "home" smiths. NOT Remington. As such the value is whatever someone will pay, but generally not much.