Watch List notes:

The Portland Collection, World Coins, British Guiana, Essequibo and Demerary, ¼ guilders (2): George III, 1809; William IV, 1833, head r., rev. crowned value within wreath (KM.4, 17), both certified and graded by NGC, the first as Mint State 64, the other as About Uncirculated Details, Cleaned (2)