There is an ongoing argument among experts over the meaning of “folk art.” For the purpose of selling, folk art is what the buyer wants to call folk art. It can be art made in the 18th, 19th or 20th century, naïve art by an untrained artist, an old advertisement, or a carnival figure. To determine if your artwork is considered folk art and to assess its value, speak with one of the folk art expert appraisers listed.