Yes, go for the NGC stripe grading if you feel that you need to have it graded. It will only get an MS-63, maybe 64 if you were to crack it out...
Slabs also keep ignorant people from dipping and cleaning coins. That is a big plus in and of itself.
Graded MS-61, shot first an at angle to show the luster and then straignt-on. The Capped Bust 1821 - 7 quarter eagle is a very scarce type coin....
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