Lewis & Short

bractĕārĭus, ii, m. [bractea], a worker in gold-leaf, a gold-beater, Firm. Math. 4, 15; Inscr. Grut. 1074, 12; Inscr. Orell. 4153; 4067.
In fem.: bractĕārĭa, ae, Inscr. Don. cl. 8, n. 19; Inscr. Orell. 4153.