10-100 USD or so
$100, more or less
In "good" condition with standard barrel length (3.25") and with standard Nickel finish - value will range from $125 to $150 US.
50-100 USD
The 950 was a nickel version of the 949. They were made from @ 1960-1985. Value depends on condition, box, manual, accessories, etc.. You see them on the auction sites from 75-175.
There were dozens of different top break models made by Harrington & Richardson. Your best bet will be a search engine, such as Google. Select IMAGES, then Harrington & Richardson. The link below takes you to ONE such image- a nickel plated, top break 38 S&W hammerless revolver by H&R.
Jeffrey Harrington has written: 'Some transport properties of the indium antimonide/nickel antimonide eutectic system'
A 1939 Jefferson Nickel in rough condition is worth $0.50 and in perfect condition can be up to $5.50.
$750 and up, depending on condition, markings, and history.
The Columbia name was used by several manufacturers. Other markings could narrow it down, but the most likely makers are WH Davenport, Harrington and Richardson, and Hopkins and Allen. It's unlikely that the nickel was put in the stock by the manufacturer. If it was made by any of those I mentioned, it will be nickle (or bright, unblued steel), as stainless steel wasn't available in the time period it would have been manufactured.
depends of overall condition of gun..............go to 'gunsamerica.com' and look up prices under 1st generation colts
It depends on the year and condition.
An 1867 three cent nickel, in good condition, is worth approximately $11. If it is in excellent condition, it can be worth up to $28.