rectangular body, gold frame and closure, lid centered by a roman micromosaic plaque on copper, depicting a view of the Colosseum, probably work of Antonio Agutti (Rome, first half of 19th century)
Literature: D. Petochi, M. Alfieri, M.G. Branchetti, "I mosaici minuti romani", Roberto Grieco e Arianna Gambino, "Roman Mosaic", 2x9x6 cm.