1stDibs Antiques has shis Japanese merchant’s chest from the Zenibako region includes a secret compartment drawer in the bottom. You can access the drawer by raising a sliding side panel.
There are 56 pictures of this custom jewelry box on Izismile.com, and you need them to figure out what’s going on with this contraption. It’s complicated box that includes custom keys, and a metal mechanism that hides a secret compartment for an engagement...
