Watch List notes:

ENAMELLED COINS. Sweden, Gustaf III (1771-1792), Riksdaler, 1776 OL, rev armorial design enamelled in red white and blue, silver roped border, brooch mounted (cf Dav 1735; KM 514).Slight chip between E and S above crown, otherwise extremely fine and very rare.
ex Glendinings, 11 May 1988, lot 288

Estimate: £250-300