From 1892 through 1916, the United States Mint produced the Barber Quarter, named for its designer Charles Barber. The value of a 1906 Barber Quarter is based on its condition and mint mark. Look on the back of the coin to see if there's a small mint mark letter below the eagle. It may be blank or there may be an O or S.
Numismedia lists the following approximate retail values as of 04/2011:
No mint mark (Philadelphia):
Very worn condition - $12
Moderately worn - $25
Slightly worn - $34
Almost no wear - $131
Uncirculated - $192 to $14,300 depending on quality
"O" mint mark (New Orleans):
Very worn - $14
Moderately worn - $77
Slightly worn - $140
Almost no wear - $390
Uncirculated - $570 to $11,510
"S" mint mark (San Francisco):
Very worn - $10
Moderately worn - $40
Slightly worn - $64
Almost no wear - $231
Uncirculated - $330 to $9,750
DISCLAIMER: The retail values quoted are the best available as of the date shown, but may vary significantly due to changes in the precious metals market. Also the wholesale (buying) price of a coin will be less than the selling (retail) price. A reputable coin dealer will be able to give a more accurate valuation based on inspection of the coin.
1906 is not a rare date for Liberty Head Nickels. In circulated condition, but with full rims on both sides and all lettering complete, it's worth about $1.00. If the word LIBERTY in the headband is complete and easily readable, it's worth about $7.00 A nice uncirculated one is worth about $50.00 A 1906 'Proof' is worth $180.00.
From 1892 through 1916, the United States Mint produced the Barber Quarter, named for its designer Charles Barber. The value of a 1906 Barber Quarter is based on its condition and mint mark. Look on the back of the coin to see if there's a small mint mark letter below the eagle. It may be blank or there may be an O or S.
Numismedia lists the following approximate retail values as of 04/2011:
No mint mark (Philadelphia):
Very worn condition - $12
Moderately worn - $25
Slightly worn - $34
Almost no wear - $131
Uncirculated - $192 to $14,300 depending on quality
"O" mint mark (New Orleans):
Very worn - $14
Moderately worn - $77
Slightly worn - $140
Almost no wear - $390
Uncirculated - $570 to $11,510
"S" mint mark (San Francisco):
Very worn - $10
Moderately worn - $40
Slightly worn - $64
Almost no wear - $231
Uncirculated - $330 to $9,750
DISCLAIMER: The retail values quoted are the best available as of the date shown, but may vary significantly due to changes in the precious metals market. Also the wholesale (buying) price of a coin will be less than the selling (retail) price. A reputable coin dealer will be able to give a more accurate valuation based on inspection of the coin.
1906 is not a rare year for Liberty nickels. Numismedia lists the following approximate retail values as of 03/2010:
Very worn condition - $3
Moderately worn - $5
Slightly worn - $11
Almost no wear - $49
Uncirculated - $71 to $1,910 depending on quality
Assuming the coin is circulated, the 1906 is a very common high mintage Liberty Head nickel. Most coins of this type have seen heavy use and show a lot of wear. In general retail values for low grade coins are $3.00-$5.00, better grade are $11.00-$31.00 and coins showing almost no wear run from $49.00-$62.00. Values are a market average and only for coins in collectible condition, coins that are bent, corroded, scratched or have been cleaned have far less value if any to a collector or dealer
A 1906 US Indian Head cent is common. Coins in average circulated condition are valued at $1.00-$3.00.
Even though these coins were designed by Charles Barber they're almost always called Liberty or V nickels.
Please see the Related Question for more information.
There was no war at the time. Remember Roman numerals? V = 5, so it represents the denomination and not "victory".
There's more information at the Related Question.
The only silver nickels ever made were made in 1942-1945. These nickels contain 35% silver. So a 1906 US silver nickel is worth nothing because there is nothing like that. See the related question below for the value of a 1906 US nickel.
The value of the 1906 V nickel varies greatly depending on the condition of the coin. This nickel can be worth as much as about 4 dollars depending on its definition.
It's not silver, but it should be worth from about a dollar in Good condition and up to $70 if uncirculated.
Must be appraised by a professional.
There is no such thing as a 1906 Indian head nickel(*). The first nickel with that design was issued in 1913. The previous design is called a Liberty nickel; you can find a list of prices at the attached link.
In average condition, it's worth about a dollar.
The Denver mint did not issue any nickels in 1906, only Philadelphia did. A 1906 Philadelphia nickel retails at $3 to $25 depending on condition.
Additional information is necessary to properly value your rifle. There were two models available in the Winchester Model 1906. One had a straight stock and the other had a pistol grip stock and was called a Model 1906 Expert. Which one do you have? Also, you did not say, if your rifle was partially trimmed in nickel or was fully nickel trimmed?
It's the usual practice of this site to answer a single question at a time. Please see:"What is the value of a 1940 US nickel?""What is the value of a 1942 US nickel?""What is the value of a 1944 US nickel?"
A very common coin, average value is $2.00-$5.00 for most coin
As of 16 Feb 2018, the melt value of one US nickel is 4.4 cents.
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.