Watch List notes:

BRITISH COINS, George I, Silver Shilling, 1723 SSC, second bust, rev crowned cruciform shields, initials of South Sea Company in angles, garter star at centre, edge obliquely grained (ESC 1178; S 3648). Once cleaned with a few light hairlines and small marks, about extremely fine.
from the David Sellwood collection

Estimate: £150-180