Art Deco 1930s Sterling Silver Brooch/Pendant with Marcasites

In an abstract triangular shape, this brooch/pendant was painstakingly handcrafted in silver. In a fan with curved folds a lattice was set, which is held at the edges with a curved border decorated with marcasites. With chain eyelet and pin clasp on the back, can be worn as a Brooch or a Pendant. Marked 925, maker not legible. Condition very good with age appropriate patina, circa 1930. Measures 2" across and 1.5" at longest length. Weighs 13.44g Comes in gift packaging.