Watch List notes:

The Abramson Collection of English Coins | Henry VII (1485-1509), Regular Issue, Halfgroat, 1502-1509, York, Archbishop Bainbridge, rev. keys below shield, 1.54g, 8h, m.m. martlet (North 1751/1; Spink 2262), split flan, otherwise very fine.
Provenance
The Dr Tony Abramson Collection of English Coins
~ Leeds City Museum, Winter Exhibition, 1994/95 ~
Purchased January 1989

Estimate: £60 - £100