It's not silver, it's made of copper-nickel like all other nickels except the WWII ones with a large mint mark above the dome of Monticello.
There's more information at the Related Question.
No US silver peace dollars were struck in 1929 or 1930.
A US Indian Head nickel dated 1930 is common, coins in average circulated grades sell of $1.00-$3.00
The only years silver was used in US nickels was 1942-1945, the coin is face value.
The coin is called either an Indian Head nickel or a buffalo nickel, but not "buffalo head". After all, it shows the entire buffalo and not just its head, LOL! Please see the question "What is the value of a 1930 US nickel?" for more information.
Your nickel contains no silver. Only nickels made from 1942-1945 contain silver. See the related question below.
If you found it in change your nickel is only worth face value. US nickels made from 1866 to mid-1942 and from 1946 to the present are made of a copper-nickel alloy, not silver. In fact, no circulating US coins have contained any silver since 1969.
Sorry, no US halves are dated 1930, none were made.
That's a silver war nickel, containing 35% silver, and it's worth at least $2.
Please check again and post a new question. There were no US bills dated 1930.
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 more information.
The US Mint did not issue a silver nickel in 1930. Please examine the coin again and post a new question with more information concerning this coin.
10-20 years for counterfeiting. No US silver dollars were minted 1929-1933.