A very rare coin with Not enough registry points?

I recently purchased a 1980 D Washington quarter ngc ms 67 for my registry sets. before I bid on the coin I checked out the census and the price guide . Ngc has only graded 9 in this grade and non higher but there is only a total of 113 graded by ngc(seems very low). I expected there to be a high value on this coin. But there is no price in the price guide. so I checked the other guys price guide and it was $700 and the census is 16 in ms 67. so I put in a bid what I thought was a fair price. and got the coin for a lot less. when I put this coin in my registry I noticed it only carried 237 registry points which I thought was very low. so I put in a request for a score correction and the score changed to 783 which is still low for a pop of only 25 and none higher from both services. But ill take it.

So If you are one of the other owners of this coin you now have a few more points . Enjoy

So my question is. Is this coin actually that rare in high grades or just one of those coins flying under the radar and not many people think is worth sending in for grading?

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