Watch List notes:

Victoria, sovereign, 1846, double struck 6 in date, also possibly 4 over inverted 4, first young head l., rev. crowned shield of arms within wreath (type S.3852), overstruck 6 unlisted in the Standard Catalogue and Marsh, certified and graded by NGC as Mint State 64
*ex Dix Noonan Webb, 2013.
The Bentley Collection did not have an example of this double struck 6 variety.
(1250-1750 GBP)