Watch List notes:

(x) NGC PF65 CAMEO | George V (1910-1936), Sterling Silver Proof 'Rocking Horse' Crown, 1935 XV, bare head left, rev. St George and Dragon, raised lettered edge, 12h (Bull 3655; ESC 378; Spink 4050), faint wisps in otherwise brilliant fields, the profile extraordinarily and arrestingly cameo, a spellbinding example of this underappreciated modern classic, choice mint state, one of only 2,500 struck, in NGC holder, graded PF65 Cameo (Cert. #3973699-005).
https://www.ngccoin.com/certlookup/3973699-005/65/
Estimate: £1200 - £1800