A Bohemian glass tankard by Franz Paul Zach c.1860

A Bohemian glass tankard by Franz Paul Zach c.1860, deeply engraved with a carousing figure holding a tankard aloft and clutching a jug to his chest, wearing a long feather in his hat, just above the foot applied with a row of prunts, signed 'Z' in the engraving, the pewter cover with a child's mask between scrolling mythical beasts, 21.7cm.