US Quarter with "OF" missing

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Hello , I have 1985 US quarter with "Of" missing from United States Of America. Can anyone please let me know how could be its value ? I am interested in selling it very quickly. Refer to attached pictures for reference.

 

[GlenDronach]

Looks like a greased die to me, but I'd post in the "coins" forum just to be sure.

 

[enamel7]

Yeah it's a greaser. You might could make a few bucks on feebay, but nothing to retire on.