Watch List notes:

Henry IV (1399-1413), Halfgroat, Heavy Coinage, London, 1.97g, mm. cross pattée, henric di gra rex angl z f, saltire stops, star on breast, rev. posvi devm adivtorem mev, saltire stops, civi tas loii doii, three pellets in each angle (Potter 2/2; N.1346; S.1718; Stewartby p.263), struck off-centre on the obverse, fine to almost very fine, excessively rare.
R C Carlyon-BrittonT W J D DupreeP Finn list 4 (Spring 1995), 315Of great rarity with only five recorded specimens, three of which are in museums, cf BNJ XXX p.125
Estimate: £1,200.00 - £1,500.00