1. Condition: The overall condition of the note is crucial in determining its value. Notes in uncirculated or near-perfect condition are more valuable than circulated or damaged notes.
2. Serial Numbers: Notes with unique or low serial numbers, such as consecutive numbers or star notes (* at the end of the serial number), can command higher prices from collectors.
3. Misprints or Errors: Notes with misprints or printing errors can be more valuable to collectors.
4. Historical Significance: Notes associated with significant historical events or individuals may have higher value, especially if they are well-preserved.
Without having further details about the specific condition and characteristics of your 1934 US 10 dollar Federal Reserve Note, it's difficult to provide a precise valuation. To get an accurate appraisal, it's recommended to consult with a reputable currency expert or a professional coin dealer.