Each medallion is set in a brass frame and the whole is placed on a green velvet background.
They are 8 cm in diameter, except for the Imperial Prince whose diameter is 6 cm.
These biscuits, dating back to 1867, bear the double signature of Jules-Constant Peyre, sculptor at the Sèvres factory, active between 1811 and 1871, and that of Count Emilien de Nieuwerkerke (1811-1892), collector and high official, he was director museums of France, and became a sculptor from 1838.