The coins are also called buffalo nickels but none of them were struck in silver.
No it is made from an alloy of copper and nickel.
If you mean a 1926 Indian Head nickel it's not silver it's a copper/nickel coin. No Indian Head nickel was ever struck in silver. Most coins show heavy wear and are valued at $1.00-$3.00.
All Indian Head/Buffalo nickels were made from copper-nickel. None of them were struck in silver. So the answer is zero.
The coin is called an Indian head nickel or a buffalo nickel, not a "buffalo head". It shows the entire buffalo, not just its head. Please see the question "What is the value of a 1920 US nickel?" for more information.
None at all, no buffalo's ever had silver
Please don't assume that because a coin is old, it has to be made of silver. Like all nickels except for those struck during WWII, Indian Head nickels are made of cupronickel, not silver. There's more information at the Related Question.
The last V nickels were struck in 1912. 1920 is a Indian head.
This famous design is also frequently called an Indian head nickel. Please see the question "What is the value of a 1920 US nickel?" for more information.
Sorry, no Buffalo nickels were ever struck in silver.
The Buffalo/Indian Head Nickel's composition was 75% copper and 25% nickel. The only war-time silver nickels were from 1942 to 1945. A well-circulated 1920 nickel values from 5 cents to 2 dollars. If never circulated with original luster and full horn in reverse could be over $100 for a 1920-D. If the color is silver toned or shiny then it could be the original strike or has been cleaned or dipped in a cleaner.
All Indian head (a/k/a buffalo) nickels were struck in the same alloy of 75% copper / 25% nickel that has been used for all 5-cent pieces except the famous "war nickels" made during WW 2. The latter were made of silver,copper, and manganese to save nickel for the war effort.
There is no such thing as an Indian head nickel minted in 1895. The first Indian head nickel was minted in 1913; prior to that was the Barber nickel, with the head of Liberty.