Watch List notes:

(x) Federal Reserve Bank, specimen $10, series of 1974, green serial number G 23456789 A, dark grey and white, green seal and value at right, Hamilton at centre, G (Chicago) in field at left, signatures of Neff and Simon, (Pick 457s, Fr. 2022-Gs), in PMG holder, 64 Choice Uncirculated, red SPECIMEN in field at left and right, rare.

Estimate: £1,000 - £1,200