Here is a general guide to the value of 1957 $10 silver certificates:
* Uncirculated: $300 - $500
* Extremely Fine: $200 - $300
* Very Fine: $150 - $200
* Fine: $100 - $150
* Good: $75 - $100
* Fair: $50 - $75
* Poor: $25 - $50
The prices listed above are approximate and can vary depending on the condition and rarity of the note. It is always a good idea to have a note appraised by a professional before selling it.