The only coins issued for circulation after 1964 to contain any silver were kennedy half dollars (1965-1970). They are 40% silver not 90% with an Actual Silver Weght (ASW) of .1479oz of pure silver. No other U.S. coins made for general circulation from 1965 to date have any silver in them.
It's currently worth about $2.30 for its silver content. 1964 was the last year for silver in US dimes and quarters.
It is a common coin and only worth its silver content, which is about $12 at the time of writing.
Mercury dimes (minted from 1916-1945) have different values depending on the year and mintmark of the coin, along with the condition. However, as a whole, common-date silver dimes are worth at least $2 for the silver content in the coin.
$12.
About $6 for its silver content
90% silver if its dated 1964 and earlier, from 1965-1970, 40% silver.
It's currently worth about $2.30 for its silver content. 1964 was the last year for silver in US dimes and quarters.
Each coin has a actual silver weight of .7523 ounces of pure silver and measures 38 mm in diameter.
There is no silver in a 1964 nickel.
1964 - $10 or so for the silver content (90% silver) 1965-1970 - $4.50 or so for the silver content (40% silver) 1971-present, 50 cents unless in mint packaging.
Quarter, not "quater" - just like it's spelled on the back of the coin. Silver, not titanium. Titanium is used for space ships and high-intensity toolmaking. Assuming that 1964 is correct, the coin is worth about $2.50 to $3 for its silver content.
900 silver coin
No such coin exists, however, coins dated 1964 and before are 90% silver and 10% copper and they are worth around $5 in silver content at the time of writing.
It is a common coin and only worth its silver content, which is about $12 at the time of writing.
Explain by what you mean as "special" as far as I'm aware there are no different varieties of 1964 dimes and so your coin is worth about $2 for the silver content.
If the coin is an "S" mintmarked silver proof coin, it's 90% silver.
The 1964 Kennedy half has .36169oz of pure silver in it.