Uncommon antique Baccarat close concentric millefiori mushroom paperweight. White stardust staves are arranged into a stem below a cambered mushroom cap, composed of concentric rings of shamrock complex canes, white stardust and collared-cog canes. The design is centered by a fortress and stars arrowhead complex cane, imprinted by a fragment of shamrock and bull’s-eye cane. A cobalt blue and white torsade frames the mushroom, over a star-cut clear ground. Diameter 3".