Watch List notes:

SWITZERLAND. Bâle / Basel. Silvered bronze (?) medal 1897 by Hans Sandreuter. 70 mm. 70th anniversary of birth of Arnold Boecklin. SM 1225. BR (?). 165.27 g. Nice AU
Ex. Chaponnière & Hess-Divo auction 1, 18-19 May 2010, lot 1184.