Watch List notes:

The Portland Collection, Commemorative Medals, Ballooning: Switzerland, the Gordon Bennett International Race, Zurich, 1909, silver medal, by Henri-Édouard Huguenin for Huguenin Frères, two men in balloon basket, rev. cherub unveils tablet 'engraved' with city panorama and six balloons flying over, edge stamped 900 fine, 39.5mm. (Malpas 182; FM.71), extremely fine
The 1909 cup was won by the American Edgar W. Mix, flying with André Roussel.