black onyx, steampunk rubiks cube, mechanigma puzzle box, clockwork trinket chest, it's made with gold, rubies, emeralds, diamonds with enamel and kundan technique, an ottoman gem - set silver - gilt casket, faberge gold and enamel box, square, surfaces cast and chased with entwining stems, stylised flowerheads and scrolls on a translucent black enamel ground, lid and sides centred with cabochon rubies.