Watch List notes:

HANOVER. temp. George III. 1760-1820. WM Medal (74mm, 113.2 g, 12h). Map of the World, Eastern and Western Hemispheres. By T. Halliday(?). Struck circa 1820. Equatorial projection of the western hemisphere / Equatorial projection of the eastern hemisphere. Shows South Shetland Islands (discovered in 1819), but does not include South Orkney Islands. BHM –; Eimer 1139a. Fine.