Unknown. ND $1 Silver Certificate. PMG Choice Uncirculated 64 EPQ. Insufficient Inking Error.
A few spots of blue ink are all that is visible of the overprints. Otherwise, this note is completely devoid of the Treasury Seal, serial numbers, signatures and series date. Perhaps a series date and by extension a Friedberg could be narrowed down thanks to the backplate number? PMG comments "Insufficient Inking of Overprint, Wax Pencil Serial Number Added." Noted for "Exceptional Paper Quality" by PMG.