Metals used are gold and silver. He has a project entitled “Lights and Leaf”. Lights resulting from scratches gold and silver on the surface of the painting. He said that the gold leaf oil painting technique utilizes and genuine precious metals (silver and gold) in any pieces. Gold oil painting was started in . When Kunkle was asked by his client to make decorative and house painting to his client’s office. He felt no less in making the decorations. Then, he got the idea to use the gold leaf in its decoration. Source:mymodernmet