Perfume bottle "Lilas Pourpre" by Coty, c. 1910-1920, on the model designed by René Lalique for François Coty. Complete with its original Coty presentation box and silk tassel. Clear moulded glass flask with its original rectangular frosted stopper, decorated in relief with butterflies, foliage and berries and highlighted with pink patina. Gilt paper label "Lilas Pourpre - Coty" on the front. Remains of the original thread seal still visible around the neck. The original box bears the frieze with two kneeling female figures, the gilt Coty emblem and the text "Lilas Pourpre - Parfum combiné de la fleur et de la feuille". On the back, the printed text signed by François Coty states that the product was created in his factories of the Cité des Parfums at Suresnes, near Paris. Marks: moulded "Coty France" under the base. Condition: bottle and stopper in good condition, no chips or cracks; the stopper turns freely. Box intact, with light surface soiling and a small stain on the inner base consistent with age (see photos). Dimensions: H 10 cm. Weight: 150 g. Carefully packed in double box with protective padding.