Tiffany Studios Grapevine Desk Clock. Has a pierced grapevine pattern overlaid on panels of green and white striated glass. Medium red-brown patina. 3 5/8 in. porcelain dial has black Roman hour numerals, red 15-minute numbers and open moon hands. Round French brass 8 day movement is signed "Japy Freres." Small 3 line crack in front panel and small crack in front curved panel. Signed underneath, "Tiffany Studios, New York, 879." Dimensions: 6 5/8 in. wide x 10 3/4 in. high x 5 1/4 in. deep. Weight: 7.90 lbs.