Well, if you get it certified as Mint State-65 with Full Steps by one of the major third party certification services, it would list (retail) at $55 with no mintmark or $500 with a "D". If it has not been preserved, I doubt if it would quite meet the standards for a Mint State-65 coin, however if it did, but did not have full steps on the reverse, it would catalog for 50-55 cents retail. Certification will cost you about $40.
1964 D is nothing special to start with, and if it is only in fair condition, it's barely worth 5 cents.
The value is 5 cents and it has no silver in it.
Average retail value is less than 50 cents for a typical proof 1964 Jefferson nickel.
The coins are still found in circulation and are face value only.
Check that coin again. The last year for the Indian head nickel was 1938.
In average condition either coin is worth face value only. If it's an uncirculated or a proof coin in its original packaging, it might be worth 50 cents or so.
It may be a little older but is very common, just face value.
Unless it's in tip-top condition it has no special value. It was a common circulation coin worth about a US nickel until 2002, when France switched to the euro as its currency.
The melt value of something is the value of the metal itself. For example, a 1964 nickel has a melt value of 5 cents because 1.8 cents worth of nickel and 2.7 cents of copper.
Depends on condition and player.
There is no silver in a 1964 nickel.
An Eire (Irish) 1964 cupro-nickel Sixpence (wolfhound), uncirculated and in absolute mint condition could fetch up to £10 GBP. If it has been circulated but still in good condition, it might fetch anything up to £4 GBP. An Eire (Irish) 1964 cupro-nickel Sixpence (wolfhound)(Proof FDC), uncirculated and in absolute mint condition could fetch up to £250 GBP. A reputable coin dealer will be able to give a more accurate valuation.