You're probably wondering what
"Plique-à-jour" enamel is! The French term means "glimpse of day" or "letting in daylight". This kind of enamel technique is considered the most difficult. Glass powder is fired such that the resulting translucent enamel is suspended between wires reminiscent of stained glass. One master of plique-a-jour enamel was the Art Nouveau artist,
René Lalique - see this past post on
How Enamel Jewelry is Made.
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