Rare Siegel Paris display case from a watch / jewelry store - early 20th century 30¾"

This rare shop display case dates from the early twentieth-century. Branded Siegel, Paris. Most likely used to display precious merchandise in a boutique (watches, jewelry). It is a long quarter-circle. The case opens by lifting the lid by the two small handles until the arm on the left latches it open. To close, carefully release the latch and it will be free to close. Brass, mirror and glass. Heavy.