Watch List notes:

Richard III (1485-1488), Groat, Type 1, London, reading RICARD DI GRA, unbarred As, 2.69g, 3h, m.m. halved sun-and-rose (Winstanley 1; North 1679; Spink 2154), slightly concave and irregular flan, traces of porosity consistent with a field find, about very fine, rare.
Provenance
'Found at Shoeleigh Farm', between Bishop's Tawton and Herner & Chapelton (Devon), [ref. 51.035700, -4.034930], c. 2013/14
Estimate: £1,500.00 - £2,000.00