This is a very appealing pattern to collect, they can be found with just two blades or more than six blades. Most of them have fancy bolsters and premium handle material, they will all have a sheep foot master blade to be called a true Congress knife.
Their heyday seemed to be in the last half of the 1800`s till about WWI after that knife companies all but dropped this pattern from their inventory.
Here is an excellent example of one from the pre WWI era by Wostenholm, pebbled stag handles, rat tail bolsters all the way around and the blade face is even stamped proudly proclaiming this to be a Congress Knife!
Let`s see some more of this pattern posted here.

