Watch List notes:

(g) France, Second Empire, Napoléon III (1852-70), gold 50-Francs, 1865-A, Paris (Le Franc 548; Gad 1112; KM 804.1), lustrous, rare with a reported mintage of only 3,740 pieces, in PCGS holder, graded AU58.
PCGS Certification #36122218
Estimate: £580 - £650