This is an art deco pattern cut crystal glass made by H G Richardson & Sons, England, between 1899 and 1924. It has an etched British flag mark. Webb produced a simplified version of this pattern after acquiring the glass works in 1930.
The Soho & Vesta Glass Works, established in 1805 in Hockley, Birmingham, and managed by John Walsh Walsh from 1850, was a premier British manufacturer of luxury glassware. Up for your consideration this Antique Ruby Crystal Hand Cut to Clear Hock Wine Glass Koh-i-noor Pattern by Soho & Vesta Glassworks in excellent condition.