colt D.A. .38 pat. 9-19-1871
ask your question on: 'coltforum.com'
A few hundred to multiple thousands depending on EXACTLY what you have.
50 USD and up depending on specifics
500-1500 usd
about $300 in great condition.
You will have to call Colt to find out.
value depends on overall condition...................
made about 1907
condition and serial number needed.........
value depends on condition. for value ask: felix@bedians.com
Proofhouse.com has Colt sn data.