No sir, the s/n is the one on the bottom of the grip, and the ejector shroud. The others are assembly numbers. You have quite a desirable item there.

It's really going to depend on condition. Just guessing an absolute minimum of $500 and probably going up to $1000 depending on condition. If you can post some good pictures, the local experts can give you a pretty good idea. Be aware that what part of the country you are in can make a fairly significant difference in value as well.