Watch List notes:

Victoria, proof shilling, 1839, second young head left, rev. 'face' value within wreath, crown above, date at bottom, plain edge (S.3904; ESC.2980), certified by NGC as 'Proof Details, Obv Tooled', yet the fields are highly reflective with mirror lustre, the portrait beautiful, and the light iridescent toning is pleasing, rare with an estimate total mintage of 300 pieces, all for the coronation proof sets

Estimate: 400 - 600 GBP