1: 1. The 1933 Double Eagle- It's considered the most valuable gold coin in the world. 2. The Flowing Hair Dollar- Minted in 1794, it's the first dollar coin issued by the U.S. 3. The 1804 Silver Dollar- Only 15 exist, making it highly sought after by collectors.

2: 4. The 1913 Liberty Head Nickel- Only five are known to exist, making it extremely rare. 5. The 1943 Copper Penny- A few were accidentally minted in copper instead of zinc-coated steel. 6. The Brasher Doubloon- The first gold coin struck in the U.S., valued at millions today.

3: 7. The 1974 Aluminum Cent- Only a few were made for a trial, making them incredibly rare. 8. The 1794 Flowing Hair silver dollar- The first silver dollar minted by the U.S. government. 9. The 1972 Double Die Lincoln Cent- A mint error caused the image to appear twice.

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