Watch List notes:

USA, 50 Cents, 'Seated Liberty', by Christian Gobrecht (3), 1853 O, New Orleans, variety 2, with arrows and rays (NGC ID 24JK; PCGS ID 6276); 1861, small date (NGC ID 24J7; PCGS ID 6302); lastly, 1875 (NGC ID 2K4D), all fine (3).
From the Wilhelm Wildegger (1888-1981) Collection
Estimate: £70 - £100