Watch List notes:

France, Royal (Restored). Louis Philippe. 1830-1848. CU medal (32 mm, 14.48 g, 12 h). Kings of France series, No. 51. Jean II, 1350-1364. Struck ca 1830 or slightly later. Bareheaded bust right / Multi-line inscription noting number in series, vital statistics, relationship in series and letter. Cf. Collignon 1558 (for larger issue of similar type). EF, brown patina, traces of green deposits, light scratches on reverse. 

From dies attributed to Armand-Auguste Caqué