Watch List notes:

Henry VI first reign (1422-61), Halfgroat, Unmarked/Cross-Pellet mule, Tower, 1.85g, 11h, m.m. cross fleury (on obv. only), legend ends franc, rev. additional pellet in first and fourth quarter (DIG Unmarked 2/Cross-Pellet 1; N.1515/1519; S.1933/1938), fine, and extremely rare, believed the only specimen of three known available to commerce.
provenance
D I Greenhalgh, DNW 106, 6 February 2013, lot 184
Ivan Buck collection (via C J Martin)
,
The other specimens reside in the British and Yorkshire Museums respectively

Estimate: £700 - £900