FIC was an importer, not a manufacturer.
10-100 USD or so
FIC did not make firearms, they imported them. No way to answer without a detailed description of all markings, barrel length, caliber, stock, sights, finish, condition, etc..
100 USD
Blue Book of Gun Values
DO NOT DO THIS!!!!!!!!!!!!!!!!!!!!
If you're talking about firearms, caliber refers to the diameter of the bullet or the bore size of of the gun.
yes they did
there are dozens of calibers from .17 to .70
Need more information. Value will depend upon original maker (F.I.E. was the importer) and condition of the firearm.
50-260 or so
Any that have the appropriate sized barrel
In the usual sense of caliber, it means the diameter of the bullet. The smallest commercial caliber is the .17 rimfire, but there have been MUCH smaller caliber firearms, down to the 1-2 mm range. That is about .05 to .10 caliber.