Émile Gallé - important vase with a landscape motif from the vosges

An important vase by Émile Gallé featuring a multi-layered glass decoration, etched to reveal a Vosges landscape rendered in shades of blue on a yellow background. This finely executed design depicts trees, lakes, and mountains in the background. Decor known as the “Blue Line of the Vosges.” This name is sometimes engraved on certain vases with similar decoration. Signature within the design. Perfect condition, Art Nouveau period