Watch List notes:

BRITISH COINS, MILLED GOLD SOVEREIGNS, George V, Gold Sovereigns (3), 1911, 1912, 1913, bare head left, rev St George slaying dragon with sword, date in exergue (Bentley 357, 358, 359; Marsh 213, 214, 215; MCE 639, 640, 641; S 3996). First with light surface marks, about extremely fine, the second cleaned with some nicks and hairlines, otherwise about extremely fine, the third with light surface marks, extremely fine.
Calendar year mintages 30,044,105; 30,317,921; 24,539,672 respectively
(3)

Estimate: £550-650