BLue Book of Gun Values
100-10000 USD depending on specifics.
50-200
300 USD
300-360 USD
250 USD
100-1000 USD depending on EXACTLY what you have
No way to value with just the sn and no other information. The name of the maker is needed.
50-300 usd
Possible, but, not likely
According to my blue book, $200-375.
Blue Book of Gun Values