Vintage American Folk Art “Boy on A Dolphin” Double Sided Trade Sign, 20th Century Consign Now DeptAmericana and Folk Arts, Decorative Arts, Fine ArtsSize37 in. x 31.75 in. Vintage American Folk Art “Boy on A Dolphin” Double Sided Trade Sign, 20th century, carved and painted 37 in. x 31.75 in. Please note that this auction has ended. Click here for an overview of this auction.