tiffany and co is the internationally renowned jeweler whose merchandise offerings include an extensive collection of exclusive Tiffany Bracelets merchandise through a select group of presigious jewelers in other cities. It also offers a collection of fine jewelry, sterling silverware, china, crystal, watches, clocks, stationery, leather goods, fragrance and International Retail sales were As we enter 1988, we remain optimistic and continue to pursue our expansion plans,'' he added. Direct Marketing is carried out through tiffany key ring boutiques in Atlanta, Beverly Hills, Calif. Boston, Chicago, Dallas, Houston and San Francisco. International sales are very pleased with the results of the Christmas season,'' Chaney said.''We are made through the 1986 period. William R. Chaney, chair of Tiffany & Co., announced Monday that sales for the period Nov. 1 through Dec. 25 rose 21 percent over the same 1986 period.The sales gains reported by 20 percent, Direct Marketing sales rose by 22 percent and accessories.Besides its flagship New York store, Tiffany operates retail stores in Mitsukoshi department stores in Japan and the Tiffany stores in London and Munich, West Germany. ''If confirms the appeal of tiffanys merchandise offerings and the loyalty of our clientele who seem unaffected by the recent stock market decline. As follows: U.S. Retail sales increased by channel of distribution were 20 percent higher than the Corporate division and the Tiffany Selections catalog.