2009-d mint set cent formative years error coin - giving me the extra finger.

I have a 2009-d mint set cent formative years cent that has an extra finger like many of the errors seen on the business strikes. I didn't see any on ebay. Does this coin have much value and is it rare?
Jim
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I've seen several around,but never seen one graded and encased.More of a cherrypicker
Edit:I stand corrected-there is one currently available on eBay graded Ddo by ANACS
Do you have a pic
Successful Trades: Swampboy,
I was mistaken - it wasn't the proof, it was the copper version from the mint set and it was the 2009-d cent. Sorry for the poor photo - the set is in my box at the bank and this was a photo from back in 2009 thru a loop.
Jim
Nice picture for being through a loupe.....I would be lucky to get that good with a full set up...
Cheers, RickO