1957-D Roosevelt Dime MS66FB*

A coin snatched from a mint set with iridescent obverse speckled gold toning with areas of sea green and crimson interspersed. Appears to me to be FB on the reverse which has much less toning.
Country:  United States 
Denomination:  .10 Dollar 
Date:  1957
Mint: 
Grade:  6630.00 FB 
Item #:  9503-026