This 2002 American Silver Eagle Proof $1 comes with the original United States Mint packaging and certificate of authenticity.  

Coin Specifications:

Composition:  99.9% Silver 
Weight:  One Troy Ounce (31.103g)
Thickness:  0.122 inch (3.10 mm)
Diameter:  1.598 inches (40.60 mm)
Mint Location:  West Point
Strike:  Proof
Edge:  Reeded 

Obverse Design:  Adolph A. Weinman’s full length figure of Liberty in full stride, enveloped in folds of the flag, with her right hand extended and branches of laurel and oak in her left hand. 

Reverse Design:  Heraldic eagle with shield, an olive branch in the right talon and arrows in the left.