Watch List notes:

Mainz, Emerich Joseph Breitbach von Bürresheim, Jubilee of Karl Theodor von Dalberg as Cathedral Cantor, 1770, silver medal, by A.F. Stieler, nine-line inscription with further inscription round bearing chronogrammatic date, rev., obelisk between tree and kneeling Genius, 42.8mm, 29.25g (Prinz Alexander 843), virtually mint state

Estimate: 300-350 GBP