The "Crépuscule" vase is the result of a surprising collaboration between the Val Saint-Lambert glassworks and the multidisciplinary artist Philippe Wolfers.
A Brussels goldsmith, jewellery designer, sculptor of various materials (bronze, ivory, stone), he also turned his attention to glass art. Between 1896 and 1903, he worked with Val Saint Lambert and created nineteen unique pieces from glass, based on plaster and/or bronze templates. The long flared neck overhangs a poly-form body, while the multi-layered glass has inlays of brownish, reddish flows and cracks.
Two bats vampirise the surface of the belly with their spread wings. The relief is obtained using the cameo technique, which was practised in the workshop of Wolfers and completes the work by chiselling the details using a reel equipped with a fine metallic point. The coloured glass is gradually cut until the desired motif is visible. Cameo decoration was highly prized by Emile Gallé; this technique had already been practised since ancient times, by the Romans and then by the Islamic glass-blowers.
Four gilded silver moths adorned the joint between the neck and the body. Philippe Wolfers often used several materials together to create his original pieces. It should be noted that animal decoration was rare on Art Nouveau glassworks produced in Val, with glass-blowers instead taking their inspiration from botanicals and reproducing various species of trees and flowers.