The paintbox is of solid manufacture and it has a system of fixed spring-powered bars which hold the paint pans in place. On one of these bars there is a small brass plaque with the words “By Royal Letters Patent”.
The Roberson Watercolour Paintbox 14 Half Pans Spring Powered Royal Letters Patent is ideal for professional or dedicated painters seeking a high-quality watercolor paint set with a small palette and a spring-action mechanism for easy emptying and filling.
