Heavy onyx chunk 7 1/2″ x 6″ x 1 1/2. One tiny chip in bottom right corner, ca hardly see it. The item “VINTAGE ART DECO-TELECHRON ELECTRIC ALARM CLOCK- Pedrara ONYX” is in sale since Monday, July 11, 2016. This item is in the category “Collectibles\Clocks\Vintage (1930-69)\Alarm”. The seller is “phoenixnbutterfly” and is located in Waianae, Hawaii. This item can be shipped to United States, to Canada, to United Kingdom, DK, RO, SK, BG, CZ,…