The bowl is marked KESWICK with the KSIA Trademark. It also has the mark A152. In 1931 they introduced FIRTH STAYBRITE a stainless steel. If you do not do this I reserve the right to re-list the item.
KESWICK KSIA STAYBRITE Dish Fully Marked ID4427 B57
Keswick KSIA Arts & Crafts Shallow Copper Bowl – C. 1915 – 23cm Diam
VINTAGE ARTS & CRAFTS KSIA KESWICK SCHOOL OF ARTS HAND BEATEN TEA CADDY SPOON
Keswick School of Industrial Arts, Antique Hand Made Brass Repoussée Vase KSIA
Keswick School Firth Staybrite Caddy Spoon.
KSIA COPPER TRAY arts And Crafts School Tray Keswick Repousse Copper Tray