Watch List notes:

British Coins, Edward IV, first reign, light coinage (1464-1470), ryal, London, mm. sun, obverse legend starts at 3 o'clock and ends in hIB, king with sword and shield stg. facing in ship, E on banner at stern, rose on ship's hull, pellet stops, rev. rose upon radiate sun in centre of ornate cross, crowned leopards in angles, large fleurs in spandrels, trefoil stops, wt. 7.70gms. (S.1950; N.1549; Blunt & Whitton type VI/VIIIB; Schneider -), good very fine, exceedingly rare
Found in 2008 and recorded in the BNJ 2009 (no. 445). The double-sized sun mintmark was previously unrecorded and therefore this piece is currently unique.
Estimate: 6500-7500 GBP