Two Micromosaic and Hardstone Snuff Boxes with gold and silver-gilt mounts, Rome, early 19th century and later

both rectangular, the first, early 19th century, the bloodstone body with waisted sides, the lid applied with a micromosaic plaque of the ruins of the bridge of Augustus over the river Nera at Narni, after Jakob Philipp Hackert, polished rose gold frame and lining, apparently unmarked

Length 3 7/8 in. 9.8 cm.;

the second, a large green granite example, Rome, circa 1820, the lid set with a micromosaic plaque representing the Colosseum, within stamped silver-gilt frame, silver-gilt lining, indistinct maker's mark, town mark

Length 4 1/8 in., 10.5 cm