This item is a vintage art glass paperweight made by Perthshire Paperweights in Scotland. It features a complex millefiori design, characterized by intricate colorful cane patterns, set against a background of white "upset muslin" lace. Maker: Perthshire Paperweights (Scotland) Style: Spaced complex millefiori Technique: Featuring colorful glass canes (millefiori) arranged over a white muslin lace cushion Features: Some models include specific signature or date canes, such as "P1975"