Watch List notes:

Brass Dupondius, Nero, Lugdunum, 67AD, Obv. reads IMP NERO CAESAR AVG PONT MAX TR POT PP (as Sestertius) Rev. Securitas std.r (RCV 1968v) GF extremely rare, Ex-Quinn collection, with his ticket and letter from the BM (1994) confirming rarity

Estimate: 80-120 GBP