Franciscus Cornelis Donders; medal struck in honor of his seventieth birthday; Bronze medal. Front: male head in profile to the right inscription and two stars left and right. Reverse: Inscription within laurel wreath and inscription. Marked; on the side: mercury staff. Edge lettering front: FRANCISCVS CORNELVS DONDERS. DXXVII MAII A. MDCCCXVIII. MDCCCLXXXVIII. Inscription reverse: PER / VARIAS / GENTES / ILLVSTRIS / BATAVI / ADMIRHTIONE / JUNCTI. (margin): IN / MEMORIAM / DIEI / QVO / CONDITVM PIVM CORPVS / IPSIVS / NOMINE / INSIGNE; Netherlands; Ludwig J黱ger; 1888; bronze (metal); striking (metalworking); d 6.6 cm x w 134.89 gr