Watch List notes:

Henry IV (1399-1413), Groat, Light Coinage, Tower, type III, 2.91g, 8h, m.m. cross pattée (both sides), annulet to left, pellet to right of crown, slipped trefoil on breast, rev. ns reversed-barred (Potter III-4/III-2; N.1359b; S.1728), clipped, near fine for issue, extremely rare.
provenance
J Atkinson, DNW 148, 18 September 2018, lot 286 - £900 [with his tickets]
M. Delmé-Radcliffe, Glendining, 17 April 1985, lot 80
Estimate: £600 - £800