Vintage 1930s Rolled Gold 'Lily' Name BroochVintage 1930's 'Lily' name brooch set in rolled gold. This fun brooch is made from rolled gold, it is set on mother of pearl. Rolled gold is a hybrid metal consisting of fine layers of gold that are fused by heat to create one or both sides of a base metal of brass or copper. Usually rolled gold consists of 5% gold. This process was patented in England in 1817; it became popular in the 1920's and 1930's and was used in high quality vintage jewellery.