The difference is, a circulated coin has been used. An uncirculated coin has not been used and shows no signs of wear.
This is a common date in the Buffalo Nickel series - and in average-circulated condition, retails for about $1. If it's uncirculated, it can retail for up to $50 or $60.
1936 is not a rare date for Buffalo nickels. In circulated condition, it's worth about 50 cents. A nice uncirculated one is worth about $30
A 1920 Buffalo nickel is common, assuming it's circulated and has no mintmark values for coins in average circulated condition are $2.00-$8.00.
A 1936-D Buffalo nickel is very common, assuming it's circulated values for coins in average circulated condition are $1.00-$3.00
This coin is also called an Indian Head nickel. Both names are about equally common. Please see the question "What is the value of a 1924 US nickel?" for more information. Answer 1924 is not a rare date for Buffalo nickels. In circulated condition it's worth about 75 cents. A nice uncirculated one is worth about $100
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. (*) But not a "buffalo head nickel" - after all, it shows the whole buffalo! Assuming the coin is circulated and has no mintmark, the 1927 Buffalo nickel is very common, average coins are $1.00-$5.00
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. (*) But not a "buffalo head nickel" - after all, it shows the whole buffalo! Assuming the coin is circulated and has no mintmark, the 1927 Buffalo nickel is very common, average coins are $1.00-$5.00
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. (*) But not a "buffalo head nickel" - after all, it shows the whole buffalo! Assuming the coin is circulated and has no mintmark, the 1927 Buffalo nickel is very common, average coins are $1.00-$5.00
Circulated, about $1000. Uncirculated, $5000 - $7500
Assuming the coin is circulated and has no mintmarks, retail value is $1.00-$4.00 for most coins. The 1930 Buffalo nickel is a very common coin.
A circulated 1942 buffalo nickel typically holds a value of around $1-2, depending on its condition and mint mark. It is always recommended to consult with a professional coin dealer or appraiser for an accurate valuation.
A 1935 BUFFALO nickel is a very common coin. Average circulated coins are $1.00-$3.00.