1950 $20 Federal Reserve Note, from the New York district, with green seal and serial numbers.  

PCGS Currency has graded this note Choice New 63 PPQ, with the distinction of Premium Paper Quality.

Friedberg # is 2059-B; serial # is B53473457A.  Signatures are Clark and Snyder.

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.