Keystone Mask Small 236×320 Medium 472×640 Large 755×1024 Download Tiff Original 1769×2400 | (493.5 KB) Description The Keystone mask is a Graeco Italic design that is made out of terracotta. Keywords Graeco, human figure, Italic design, keystone, kmasks, mask, natural design, natural form, Terracotta Galleries Decorative Human Forms Source: Meyer, Franz Sales Handbook of Ornament (New York, NY: The Bruno Hessling Company, 1904)
