Answer:
$10 unless it is in special condition. For a Chicago Federal Reserve note of 1934C estimates are $12 in Very Fine condition, $15 in Extremely Fine grade and, $37 in Crisp Uncirculated condition.
For a Silver Certificate note of 1934C estimates ran $22 in Very Fine condition, $35 in Extremely Fine grade and $100 in Crisp Uncirculated condition.