Impossible to answer without a DETAILED description of ALL markings, overall condition, accessories, box, papers, etc..
75-175
50-900 usd
100-500 USD
I just purchased a stainless one with 5.5 inch barrel for $400.
50 USD or so
0-50 USD depending on exact configuration, age, condition, accessories, etc..
20-60 USD or so
I know of no handgun that has a one inch diameter bore.
You need a professional appraiser.
Anywhere from 750.00 to 1800.00 depending on condition and how bad somebody wants it.
10-100 USD or so
50-75 USD or so