Watch List notes:

The Abramson Collection of English Coins | Charles I (1625-1649), Group IV, Halfcrown, Type 4, 1641-1643, reads HIB, 14.80g, 8h, m.m. triangle in circle (Bull 454a; Brooker 371; North 2214; Spink 2779), dumpy irregular flan of full weight, centrally weak, otherwise about fine.
Provenance
The Dr Tony Abramson Collection of English Coins
~ Leeds City Museum, Autumn Exhibition, 1994 ~
Purchased September 1986, £32
Estimate: £40 - £80