Studio Dante di Volteradici: The Nativity - By Alberto Santangela - 1984 Ivory Alabaster Collectible Plate Limited edition 8.5" diameter collectible plate. 1984. Second plate in the Ghiberti Doors series. Artwork by master sculptor Alberto Santangela, under the auspices of the Museo del Duomo of Florence, Italy. Inspired by the great North Doors of the San Giovanni Baptistery. Handmade in Tuscany, Italy, the world center for the mining and carving of alabaster. Crafted in genuine ivory alabaster by the artisans of Studio Dante di Volteradici in a tradition that dates back five centuries.