Generally not, because commemorative coins aren't actual currency. Bring it to a jeweler or coin dealer instead.
Some banks have them, where they can be purchased at face value. Otherwise, look on eBay.
To buy? You can buy them for $1 at many banks, they are not rare coins, simply unpopular coins.
No. A dollar is a dollar between banks and the Treasury.
Banks will happily buy gold coins for their face value - since this is nearly always far less than they are actually worth. If you wish to sell your coins for their actual value, take them to a reputable goldsmith.
Banks don't buy old coins, coin dealers will buy old coins, some jewelry stores will buy old coins, banks will take your old coins at face value and then sell them to coin dealers and and make some profit.
Coins that come from banks or are taken from circulation are only face value.
No coin dealers sell them at face value, because then there's no profit to be made. However, dollar coins, including Eisenhower and Anthony dollars, sometimes turn up at banks, where they can be exchanged at face value.
Not for general circulation as the metal is far more valuable the the face value of coins being minted, however silver may be added to very special commemorative coins.
$20
Face Value
There are more than 2 of them. The commemorative series was issued from 2004 to 2006, two designs per year. If the coins are taken from circulation, they're only worth face value because so many were made. If you have uncirculated coins in their original packaging, a set might be worth a few dollars.
it's just a common Eisenhower not a commemorative coin and none of the bicentennial dollars made for general circulation have any silver or are worth more than face value. Only Proof and collectors coins sold from the US Mint are worth more.