Coins and Historical Medals

Henry IV (1399-1413), Light coinage, Penny, London, type II/III mule, annulet to left and pellet to right of crown, slipped trefoil on breast and after tas (?), 0.73g/4h (Stewartby P II/P III; Potter II-3/1 var.; N 1363a/1363b; S 1731 var.). Slightly short of flan, a few light scratches, nearly fine, very rare £300-£400