Watch List notes:

William III & Mary. AR Halfcrown. 1692. Second busts. QVARTO. R of REGINA over G and H over B in HI. ESC 517A; SCBC 3436. Adjustment marks on 2 of date. Once cleaned, now retoning. VF. Rare.

Ex Seaby Coin & Medal Bulletin 512 (January 1961), no. 4128.