Error guys question & help

What the heck is this coin worth. i bought this raw some time agao, and just had it slabbed. It's virtually copper over 100% of the coin with no major problems what so ever.
Date, mintmark: 1978-D
Denomination: $1
Variety: Copperwash Obv/Rev
Country: USA
Grade: MS64
Date, mintmark: 1978-D
Denomination: $1
Variety: Copperwash Obv/Rev
Country: USA
Grade: MS64
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Ike Specialist
Finest Toned Ike I've Ever Seen, been looking since 1986