Jug (Bartmann jug) with a coat of arms

Jug (bearded man jug) of stoneware on a high foot with a globular body and narrow neck. The C-shaped handle is attached to the neck and shoulder. Profiles on the neck. Covered with a brown engobe. On the belly in relief an impressed and applied medallion with a coat of arms with a monogram[?] and above it the mark 'E.S.J.' in mirror image. On the neck, continuing onto the shoulder, a bearded man. Frechen.