*exergue*

n. [ F., fr. Gr. &unr_; out + &unr_; work; lit., out work, i. e., accessory work. See Work. ] (Numis.) The small space beneath the base line of a subject engraved on a coin or medal. It usually contains the date, place, engraver's name, etc., or other subsidiary matter. Fairholt. [ 1913 Webster ]