This carnival glass bowl was produced by Sowerby's Ellison Glassworks in Gateshead, England, during the early 20th century. Sowerby was one of Britain's premier pressed glass manufacturers and created their own line of iridescent glass to compete with American carnival glass producers. The thistle pattern held particular significance in British glassware, as the thistle is the national emblem of Scotland, making it a popular decorative motif for UK manufacturers.

Carnival glass bowls like this are treasured by collectors of British pressed glass and carnival glass enthusiasts worldwide. Sowerby pieces are particularly valued for their quality craftsmanship and distinctive British patterns. The marigold iridescent finish combined with the detailed thistle and thorn pressed pattern demonstrates the high level of skill achieved by British glassmakers. These bowls appeal to collectors of early 20th-century decorative glass, those interested in British industrial heritage, and enthusiasts of botanical-themed pressed glass patterns.