Are there any coins where the entire population for a grade or type is owned by one person?

I dream of owning all Peace dollars in 67 or 68. I know, it's more of a pipe dream.
edit: the pop would have to be greater than 1 or 2. For instance, I tell my dealer I would like
to buy coin-x in MSxx and he says "It'll never happen, they're all owned by Mr. X"
edit: the pop would have to be greater than 1 or 2. For instance, I tell my dealer I would like
to buy coin-x in MSxx and he says "It'll never happen, they're all owned by Mr. X"
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Comments
I have several myself.
<< <i>Any pop 1 would qualify for your question.
I have several myself. >>
I can't claim that but I do own one such coin!
1942-D/D in MS64FB. The next closest example is 6 points lower at AU58.
Hopefully I will get a few more one day...
Looking for Top Pop Mercury Dime Varieties & High Grade Mercury Dime Toners.
While it isn't really in the spirit of what the original poster was asking, but pop 2, and both were owned by the same dealer, and both were for sale. In this particular case, it is relatively easy to find other raw examples and make more, if a person is really motivated.
417392 1976 Medal Bicentennial .37oz Gold, DC PRDC
+ 0 1 1 1 0 2 0 5