Hawaii State Quarter Error - Dropped "D" mintmark

Okay, that's how I see it at least. It looks like part of the "D" dropped above the mintmark. Is this terribly common and numismatically worthless, or is this a real error that is sought after?

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Comments
can chime in. I don't see it as a dropped D but maybe a dropped O. The curve seems off for the D but
right on for an O like in GOD.
bob
<< <i>Looks like a stike through. >>
Yes, a strikethru of a dropped partial D.
``https://ebay.us/m/KxolR5
Didn't wanna get me no trade
Never want to be like papa
Working for the boss every night and day
--"Happy", by the Rolling Stones (1972)
It appears to be a partial dropped letter, or it
could be a minor struck thru.
It would have to be seen in-hand for a final
determination. IMO, it's not worth it to add
the expense of certification fees/postage/etc.
It also appears that the die was well-used.