Kenneth Jay Lane Vintage Black Enamel Faux Pearl Pierced Earrings

KJL on a piece of jewelry stands for Kenneth Jay Lane. He was an American jewelry designer known for creating high-quality costume jewelry, often referred to as "fabulous fakes," which were popular with celebrities and socialites like Jackie Kennedy and Elizabeth Taylor.  These earrings are a type of vintage Kenneth Jay Lane jewelry, often described as black enamel and faux pearl post earrings.