French School, 19th Century
Marie de Bretagne d'Avaugour, Duchesse de Montbazon (1610-1657), wearing blue dress with white lace collar, pearl necklace, pearl and emerald pendent earrings, her hair dress with pearls and a pink plume.
Enamel, inscribed on the counter-enamel with sitter's name, gilt-metal frame with border of white enamel dots.
Oval, 47mm (1 7/8in) high
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