Ernsting lists this medallion as WVZ-164
Bronze examples can be found in the following museums:
L3 London Imperial War Museum
M M Munich, Staatliche Münzsammlung (National Coin Collection)
V2 Vienna, Kunsthistoriches Museum (Art History Museum)
Iron examples, WVZ-164a
L2 London, British Museum, Department of Coins and Medals.
Ernsting does not list any pieces in private collections but we know of RedMikey's