To get an appraisal you can go to an art auction house, or art dealer. If you know little about the history of the painting or the artist you can go to a museum and maybe they can tell you something about who or what it is first before you head out blindly.
in a antique store
You should go to an antique store and ask for an estimate. An antique store is likely to be present in your area.
One can have an antique doll appraised at a local antique dealer. They will be able to check the dolls for markings, which will tell when the doll was made and who manufactured it. From there, one can start the process of having them appraised.
How does this relate to S&W?
The best place to find phone numbers of a good place to buy antique paintings would be the Yellow Pages. Also, most antique shops will have recommendations on people who can buy antique paintings.
It cannot be new and antique. However you would need to take it to an antique dealer or an auction house to get it appraised.
get it appraised and then sell it like any other vehicle.
It depends on the painting. If it is done by a famous painter, it could cost millions. However, you should be able to find relatively inexpensive antique paintings at an antique dealer.
A local antique dealer can appraise or someone with the Library commission can research the estimated value of an antique book. It is important to ask someone who is trustworthy in the antique dealing field.
Photograph it and send the photo via email to a major saleroom such as Christie's.
You can send me a photo in order to find out the valule of the piece.
This will vary depending on the type of antique cork screw. You should have the corkscrew professionally appraised.