IN STYLE -- Have you seen the gorgeous belt buckles designed by Bill Smith for Richelieu in this month’s Harper s Bazaar? The tasseled silver fish pinned to the cover girl's shoulder, is one of a fantastic school of sea creatures (a sea dragon and mermaid are pictured inside) that have got to make one of the strongest fashion accessory statements for the coming season Belts are an integral part of today's fashions and Bill knows how to tell the story with the jewelry-type pieces that he’s been designing.His involved' Collection is a product of the times -- jewelry in a sculptured art form that reflects the artist s tor jeweler's view of the age in which he lives. Some of these pieces resemble metal sculptures; others have a hand crafted look and tie or snap with suede. The Peace Makers' is a group that typifies Bill s interpretation of the peace emblem in metal and stones and would seem to be a natural for today s young woman He was the one to first introduce butterflies as the new1 peace symbol, and some of these enamel fantasies have already become collectors itemsAccording to Women's Wear Daily, the ubiquitous snake is being dropped in favor of the more subtle butterfly, as THE accessory of this season. In Paris the hippies have dropped the flower as the symbol of love and have adopted the butterfly in its place (Butterfly decals are decorating the hippies wheels these days!) Just in case you're not convinced, I hear tell that Lord and Taylor will soon open a butterfly shop that will stock clothing, accessories, and even