1974 $20 Federal Reserve Note, from the Chicago district, with green seal and serial numbers.  

PCGS Currency has graded this note XF 45 PPQ, with the distinction of Premium Paper Quality.

Friedberg # is 2071-G; serial # is G31052441F.  Signatures are Neff and Simon.

DBR Currency - Online paper money at its finest

Note:  eBay may collect sales tax on your order, the amount of which depends on your locale of residence.