Less than 100 to multiple thousands of USD depending on specifics
The Model 1911 wasn't a revolver. Are you sure you're not thinking of the Model 1917?
If this is the Colt 1878 Frontier model serial # 5100 , then it was produced around 1881.
1.000
If it is original, big bucks.
100-1000 USD
-40 - 400 usd
value depends on overall condition...........
depending on condition of your revolver it would be worth 775.00 dollars in 50% condition up to 1,000 in 70% condition.
50-500 usd
100-1000 USD
50-300 usd
A Colt .357 Mark III nickel plated revolver is worth between $500 and $750. The actual value varies greatly based on the gun's overall condition.