FDR's Coin Collection........Where did it go?

It is well known that President Roosevelt was an avid stamp collector and that after his death his large collection hit the auction block. Many were able to purchase a piece of history.
What is not as well known is that FDR also had a coin collection. But I have never heard what coins were in his collection or what ever became of them.
Any info out there regarding this?
Enjoy each day as though it was your last.
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FWIW, from last week's Heritage Instant Quiz e mail:
2. Which of the following famous people was not known as a coin collector?
Correct Answer: Franklin Roosevelt (45%).
Because I'm curious