Using authentic materials, colors and finishes, the Lazzari family of Umbria recreates this detail from a painting by 15th century artist Andrea Mantegna. After mixing mortar according to a 15th-century formula, the Lazzaris transfer the image onto the still-wet mortar, so that the pigments are incorporated into the surface. Each is presented in a beautiful box, with a certificate of origin guaranteeing the workmanship and materials. 7.5" diameter.