Probably belgian, not worth more than 50 USD
Generally, yes, if you submit the make, model & serial number of the revolver.
Not without pictures
The sn is on the butt and does not have as many numbers as you listed.
Can't be answered without knowing maker's name
Around $140.
7 letters and numbers on a modern revolver. Older guns could have fewer characters. The serial is usually stamped on the frame ahead of the cylinder, under the yolk when you open the cylinder. Any other numbers would usually be markings placed by the end user (military unit identification, police identification and such).
Your question can not be answered with the slight info that you have provided.Please include all the info you can about your revolver to include maker,barrel length,caliber,finish,etc.and include all markings.
Cornell Publications might have a book with that information.
Usually went by names not model numbers.
Another name for a set of natural numbers is counting numbers.
Another word for numbers is 'figures', or 'numerals'.
When you open up the cylinder,it should be located inside on the frame at the swivel.