Watch List notes:

The Collection of British Coins Formed by the Late Ray Inder (Part II)

Richard II (1377-1399), Groat, type II/III mule, London, mm. cross pattée, rev. curved serifs on letters, 4.41g/12h (N 1320b/1321a; S 1679/1680). Some marks on face, otherwise about very fine, very rare £500-£700