Watch List notes:

BRITISH COINS, Edward III, Silver Groat, Post-Treaty Period (1369-1377), London mint, Chain Mail facing crowned bust, within tressure of nine arcs, large fleur on each cusp, circles and legend surrounding, initial mark cross pattée both sides, rarer obverse die variety reads ANGLIE F, rev long cross pattée, tri-pellets in each inner angle, twin concentric legends and beaded circles surrounding, saltire before each word in inner legend, contraction mark over last letter N, 4.58g (N 1286; S 1638). Well struck with clear top row of chain mail, good very fine, toned, a very rare and highly desirable variety, the finest we have seen.
ex Spink Numismatic Circular, August 2004, item HS1764, where this obverse legend variety was listed for the first time
ex Spink Numismatic Circular, October 2007, item HS3152
This coin is superior to the ex Norweb and Brady collection example sold in Baldwin's Winter Fixed Price List 2013, item BH151

Estimate: £2500-3000