Watch List notes:

COMMEMORATIVE MEDALS, WORLD MEDALS, Germany, Dr Julius Friedlander, Director of the Royal Numismatic Collection, Berlin (1813-1884), Bronze Tribute Medal, and the 4th Convention for the study of German Numismatics, 1891, by Max Barduleck, bust three-quarters right, rev Numismata seated right, holding up a coin, the attributes of numismatics around her, 44mm (Barduleck 136; Würz 2803; BDM I, 124). Extremely fine and extremely rare.
Only 65 specimens struck in copper.

Estimate: £180-220