PARIS.- Sothebys announced the sale in Paris on November 9 of an exceptional Serge Gainsbourg group of autograph songs, notes, photographs and memorabilia. Author, composer, performer, artist, film-maker, photographer Serge Gainsbourg (1928-91) left behind him a multi-faceted uvre. With his phenomenal creative versatility, decadent poetry and musical genius, Gainsbourg earned a cult following around the world. Both poète maudit and a controversy-courting provocateur, not to mention an ultra-sensitive musician and refined man of letters, Gainsbourgs work, invariably conceived in aesthetic terms, reflects a wide range of influences. His lyrical approach was imbued with every aspect of life, in particular his own. Sothebys will be offering for sale the autograph lyrics of five of Gainsbourgs most famous songs, appearing on the market for the first time. Doubtless the most extraordinary of t