This vase was produced by the Fenton Art Glass Company, an American manufacturer renowned for its handcrafted decorative glassware from 1905 to 2011. The hobnail pattern, featuring raised bumps resembling the nails on hobnailed boots, became one of Fenton's most iconic designs, particularly popular from the 1940s through the 1970s. The blue opalescent finish, where the glass transitions from transparent blue to milky white at the edges, was achieved through a specialized heat treatment process that made each piece unique. Fenton hobnail glass appeals to collectors of American art glass, vintage home décor enthusiasts, and those who appreciate mid-century design aesthetics. The ruffled edge and footed design showcase the skilled craftsmanship of Fenton's glassmakers, making these pieces highly sought after in the collectibles market. Collectors value Fenton pieces for their quality, beauty, and the nostalgia they evoke of American glassmaking heritage.