Watch List notes:

Halfcrown 1817 Small Head Pattern ESC 627 the reverse with a slightly different shield, garnished and overlapping the garter, milled edge, rated at R4 by ESC, (see illustration on English Silver Coinage 1992 edition page 78) nFDC with blue and green tone over much original mint brilliance, extremely rare, our auction archive database shows that this is the first example we have handled

Estimate: 7500-10000 GBP