50-300 usd
the colt trooper is currently going for 165-350 dollars.You could add 15% because yours is nickel plated(not chrome).
-40 - 400 usd
100-300 USD depending on condition
about 1959
Proofhouse.com has Colt sn tables. You can also call Colt and they will tell you.
1.000
Without more of a description the best estimate would be 500-2000
If it is original, big bucks.
The chrome plated colt python 357 magnum is more than $800.
50-650 usd
You will need to call Colt for age. 50-500 USD.My records indicate that your Colt trooper with the serial number 927871 was made by Colt in the year 1960.
your colt trooper was made by colt in 1961.