Although this coin was originally designed in 2007, it was not released until 2008. This specimen, known as the 2008-W $1 Burnished Silver Eagle Reverse of 2007 (Special Strike), is so valuable for the following reasons.
PCGS claims that John Nanney from Georgia, back in April 2008, found out the first known 2008-W Silver Eagle that had a Reverse design from the year 2007. So, the U.S. Mint decided at some point in 2007 to modify the reverse design of all upcoming Silver Eagles, even the Proofs.
What happened then to this coin?
As a consequence, all pre 2008 Silver Eagles should have a slightly different reverse design if compared to the regular strike from 2008 and post 2008 Uncirculated as well as Proof Silver Eagles.
While this transition took place, from an old to a new design, the Mint did not notice it struck several 2008-W Burnished Uncirculated Silver Eagles with an old reverse design meant to be for the pre 2008 Silver Eagles only.
These reverse designs are very similar though. Portions of the design and letter fonts were not so alike. Then, it is easy to tell the difference and you just need the naked eye to check it.
How many of these coins are there?
Apparently, PCGS claims that there are about 45K of the 2008 Silver Eagles with a Reverse design of 2007 in existence. Its designer were Adolph A. Weinman and John Mercanti.
They were made of Silver (99.93%) and a tiny bit of Copper (0.07%). The Mint were they were created was the one in West Point. Its weight is just 31.10 grams and they have a diameter of 40.60 milimeters.
As of May 10, 2023, it reached a final price of $1,995. So, it was alsmot $2,000 for a one-dollar coin. If you have these coins, the distinguishing feature for the 2008-W Uncirculated Silver Eagle with a Reverse of 2007, is on the letter U of United on the Reverse of the coin. As a matter of fact, the letter U on 2007 coins will lack the serif located on the right lower hand side
