eagermuscle saidAs expected, an eclectic pastiche of antiques and modern art. All that's missing is the traditionally shaped plexiglass chair and the clear crystal chandelier.
Sidebar: Historically tin ceilings were relegated to kitchens, not dens, though I had one installed because I needed a dropped ceiling for access to plumbing.
^+1! Good call on the tin ceilings, which also were installed in saloons and barber shops, which gives at least some credibility to their use here. But, "eclectic pastiche" - cf. "wonderfully diverse collage" - is a kind understatement, to say the least.