1. Washington Quarters:
- Uncirculated (MS-60): Each coin could be worth around $10 - $15.
- Uncirculated (MS-65): Each coin could be worth around $25 - $35.
- Uncirculated (MS-70): Each coin could be worth $150 - $200 or potentially higher depending on the specific characteristics and rarity.
2. Special Mint Mark Quarters:
- 1964-D (Denver) Uncirculated: Each coin could be worth around $25 - $35.
- 1964-S (San Francisco) Uncirculated: Each coin could be worth around $30 - $40.
Please note that these values are approximate estimates based on current market conditions and may fluctuate over time. It's always advisable to have the coins professionally graded by a reputable coin grading service to determine their exact value and authenticity.