George Unite: Sterling Silver Caddy Spoon Date: 1926 Assay Office: Birmingham (indicated by the Anchor mark) Purity: Sterling Silver (indicated by the Lion Passant walking left) Maker: George Unite (the GU maker's mark), a highly celebrated British silversmith famous for producing high-quality small silverware, particularly caddy spoons and pocket fruit knives. How to tell the date: The block capital letter B inside a square shield with clipped corners represents the Birmingham assay year for 1926.