A nicely preserved agricultural medal.
Obverse: three heads to the left, in the rim the legend:
INSTITUIT CONSTITUIT RESTITUIT;
Reverse: plow, under it EX UTILITATE DECUS, in the rim legend:
REGIA ET PRIMARIA AGRICULTURAE SOCIETAS PARISIORUM-A-MDCCCXV-;
Silver, diameter 37.2 mm, weight 24.1 g.