Watch List notes:

United Kingdom, Edward VII, silver halfcrown, 1906, bare head r., by de Saulles, rev. crowned shield of arms (S.3980; ESC, Bull 3572 [751]), certified and graded by NGC as Mint State 64
*ex. Cheshire Collection, Goldberg Auction, June 2005; bt. Northeast Numismatics Inc.
The only specimen to achieve this grade at NGC
(400-500 GBP)