DON'T!!! unless you absolutely have to. you can cause damage if you don't know what you are doing. and parts are hard to find.
The sears model 200 is a Winchester 1200. That will make it easier to find info. I have one of these, with adjustable choke and vent rib. It is a sweet shooting and smooth little shotgun.
Google.
This is really a Winchester model 1400.
I have a fairly complete selection of parts for this model. repair@countrygunsmith.net
273.2310
Proofhouse.com has a store brand chart. Once you find out who made it and what it is (rifle or shotgun) a value can be estimated.
Rifle, handgun or shotgun?
o You need to find a gunsmith
One can find the lyrics of 'Break it Down' on azlyrics which is a site that specializes in song lyrics. This site offers a variety of lyrics for different genres of music.
The promotional video for "Break Me Down" by the singer Red can be located on the You Tube website. Alternatively, the video can be viewed at Last FM.
Find a good gun smith.