Here's an overview of the value of John Adams US dollar coins based on their rarity and condition:
1. Presidential Dollar Coin (2007):
- Circulated: $1 - $2
- Uncirculated: $2 - $5
2. Special Mint Sets (2007):
- Proof Set (with four Presidential $1 coins): $15 - $25
- Uncirculated Set (with four Presidential $1 coins): $8 - $12
3. Enhanced Uncirculated John Adams Dollar Coin (2007):
- Value: $8 - $15
Please note that these prices are rough estimates and can fluctuate based on market conditions.
For more accurate and up-to-date pricing information, you can refer to reputable coin price guides, consult with coin dealers or experts, or check online platforms specializing in coin trading and collecting.