Watch List notes:

GERMANY, Preußen. Karl Gottfried Hagen, professor and pharmaceutical chemist. 1749-1829. Æ Medal (42mm, 32.67 g, 12h). 50th Anniversary of Teaching. By G. Loos and H. Gube. Dually-dated 24 December 1749 and 28 September 1825. DR. C . G . HAGEN PHYS . ET . CHEM . PROF . REGIOM . OR . AQVIL . RVBR . EQ . * NAT . D . 24 DEC . 1749 *, bare head left / ARTEM PER X LUSTRA DOCENDO PROMOVIT * MERITISS . SENI PHARMACOPOLAE TOTIUS REGN . BORUSS . *, b; in exergue, D . 28 SEPT . 1825ook with laurel wreath wresting atop draped podium. Brettauer 444. EF.

Ex Duplicates from the Kisch Medal Collection sold on behalf of the American Numismatic Society (Classical Numismatic Group Electronic Auction 287, 26 September 2012), lot 689.