Watch List notes:

George IV (1820-1830), Map of the World c 1820, White-metal medal, unsigned but probably by T Halliday. Detailed map of the Eastern Hemisphere with continents of Africa, Europe, Asia and New Holland identified with countries and islands, rev. Detailed map of the Western Hemisphere – continents of North America and South America identified with countries and islands. 51mm/32.34gm. (E 1139b). good Extremely Fine with field almost full original lustre, salient parts starting to tone, minute signs of blistering around edge.