AUSTRIA. Adolf Sonnenthal Silver Medal, 1881. CHOICE UNCIRCULATED.cf. Wurzbach-8479. Diameter: 60mm; Weight: 76.74 gms. By J. Schwerdtner. Obverse: Bust left; Reverse: Facade of the Burgtheater in Vienna. Edge</em>: Two hallmarks. A SCARCE type in silver, this matte specimen offers gunmetal gray allure and enticing cobalt and violet hints as one approaches the peripheries.