CHOICE SWISS ART DECO ONYX DESK / SHELF CLOCK. This handsome example of circa 1930 Deco timekeeping comes from my personal collection of antique clocks. The case effectively repeats hexagonal forms; beginning with the satin brushed silver center dial, matte white chapter ring with bold Arabic numbers and minute markers, beveled crystal and nickeled brass bezel. The metal case is flanked by variegated green onyx pyramids on a deep rectangular onyx plinth. The high grade…