Art Deco 18K yellow gold cigarette case featuring a bold geometric engine-turned pattern on both sides, accented at the thumbpiece and corners with cabochon-cut synthetic sapphires. The interior is stamped “750,” “Breveté S.G.D.G.” (indicating patented French design), and serial number 61360. Likely of French or Swiss manufacture circa 1925–1935, the case represents the refined luxury design of the Art Deco period. Dimensions: 4 in. long × 3 in. wide Provenance: Al and Carol Cali Collection. Pickup & Shipping: Free Sacramento pickup. Shipping via FedEx within the continental U.S. for $50 plus 1.5% insurance. Combined lot shipping available. Excellent overall with light wear and minor handling marks consistent with careful use; synthetic sapphire thumbpiece and corner accents intact; hinge and clasp function smoothly.