Signed on reverse Jean-Marc Teillon is a French artist born in 1856 who lives & works in Arcueil, France. He was formerly director of Galerie Municipale Julio Gonzalez in Arcueil. This piece is attributed to the mentioned designer/maker. It has no attribution mark and no official proof of authenticity, however it is well documented in design history. I take full responsibility for any authenticity issues arising from misattribution