1: Introduction to the 1964 Washington Quarter Proof.

2: History and design details of the 1964 Washington Quarter Proof.

3: Rarity and value of the 1964 Washington Quarter Proof.

4: How to authenticate and identify a genuine 1964 Washington Quarter Proof.

5: Tips for collecting and storing the 1964 Washington Quarter Proof.

6: Notable sales and auctions of the 1964 Washington Quarter Proof.

7: Common errors and forgeries of the 1964 Washington Quarter Proof to watch out for.

8: Resources and references for further information on the 1964 Washington Quarter Proof.

9: Conclusion and final thoughts on the 1964 Washington Quarter Proof.