The Model 1878 was offered in 10 and 12 gauge from 1878 through 1889.
$700-$3500 depending on condition.
The Colt 1878 frontier model with serial # 35369 was produced around 1896.
Without more of a description, it could range fromm 100-10000 USD or more.
If this is the Colt 1878 Frontier model serial # 5100 , then it was produced around 1881.
The value of a Colt 1878 with a 7.5-inch barrel, nickel plated, and a serial number of 26000 can vary depending on its condition and any accompanying documentation. In general, these revolvers can range in value from several hundred to several thousand dollars among collectors and enthusiasts. It is recommended to have the specific firearm appraised by a reputable gun dealer or appraiser for an accurate valuation.
if it's the colt single action model, then made about 1884.................................. value depends on overall condition.......................
Need more info. What model? Single barrel, double barrel, pump action? What condition is gun in? Rusty, beat up,dented?
if there are no barrel markings......how do you know it's a colt ??
what is the value of a 8 3/8 inch nickel plated colt trooper
value is based on overall condition..........
value depends on overall condition.........