Antique Victorian Rolled Gold Slide Chain NecklaceVictorian rolled gold slider necklace, featuring an ornate slider with a paste claw set stone. The slider moves up and down the chain, more worn the slider sits in place. 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