Watch List notes:

LANCASTER. Henry VI. First reign, 1422-1461. AR Halfgroat (20mm, 1.95 g, 9h). Rosette-mascle issue. Calais mint. Struck 1430-1431. Crowned facing bust within tressure of arches; lis at cusps, mascles in two spandrels / Long cross pattée; triple pellets in quarters. MHG 1/2 ; North 1448; SCBC 1863. Richly toned with some iridescence. VF. Bold portrait.

Ex Classical Numismatic Group Electronic Auction 492 (26 May 2021), lot 1042.