This blue textured vases are Ravenhead bark effect glass vases. Produced in the 1960s and 1970s, it is a classic example of British mid-century modern design. Set of four Key Details Design: The "bark" texture was made to resemble natural tree bark. It was heavily inspired by the iconic "Bark" series designed by Geoffrey Baxter for Whitefriars Glass. Color: This specific shade is often called "ice blue" or "aquamarine". Manufacturer: While it looks like Whitefriars, it was manufactured by Ravenhead, a company known for producing stylish yet affordable glassware during that era. Dimensions: These typically stand around 16.5cm to 17cm tall.