1950-C $100 Federal Reserve Note, from the Richmond district, with green seal and serial numbers.  

PMG has graded this note Choice VF 35. (PMG did not cite the small stamp to the lower-left of the portrait.)

Friedberg # is 2160-E; serial # is E08299586A.  Signatures are Smith and Dillon.

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.