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.
The "f" is not a mintmark but rather an initial. With out a date it is impossible to tell the value of your coin. Most buffalo or Indian head nickels aren't worth much. Post a new question and structure it like this to ensure an answer- "What is the value of a <date> US nickel" or " What is a <date> US nickel worth".
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.
Indian Head nickels weren't made in 1932 and 1933, due to the Depression. There are some replica or fantasy coins that have been made with that date but they have no value to collectors other than as curiosities.
These coins are commonly known as either Indian Head or Buffalo nickels. Both names are about equally common. Please see the question "What is the value of a 1930 US nickel?" for specific information. 1930 is a common date Buffalo nickel, most circulated coins in collectible condition have retail values of $1.00-$4.00 but can be as high as $20.00
The 1936 Philadelphia (no mintmark) Indian Head nickel is the highest mintage most common of the series. Circulated coins are $1.00-$3.00 retail.
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.
Check that coin again. The last year for the Indian head nickel was 1938.
The last Indian Head Nickel was dated 1938. Post new question.
It's 100% certain that you have an Indian head nickel, and not a Liberty head nickel. There are millions of the former, and only 5 of the latter. Please see the question "What is the value of a 1913 Indian head nickel?" for more information.
The first Indian Head nickels were struck in 1913.
All Indian Head cents minted from mid-1864 to the end of the series in 1909 were struck in bronze, not copper-nickel. Copper-nickel was only used for Indian Head cents minted from 1859 to mid-1864. There's more information at the Related Question.
1927 is not a rare date. This coin is commonly called either a buffalo nickel or an Indian head nickel. Please see the question "What is the value of a 1927 US nickel?" for more information.
This design is called either a buffalo nickel or an Indian head nickel; both names are about equally common. Please see the question "What is the value of a 1919 US nickel?" for more information.
It is worth $1.00. Check on (about.com)Indian head penny
This design is known by a number of different names, most commonly Indian head nickel or buffalo nickel. Please see the question "What is the value of a 1935 US nickel?" for specific details.
Average value is $1.00-$3.00