The Sun Stone Calendar, or Piedra del Sol Calendario Azteca, is a representation of the Aztec concept of time, its cyclical nature and the relationship between the gods and humans. The sun stone image has also been adopted by modern Mexican and Mexican American/Chicano culture figures, and is used in folk art and as a symbol of cultural identity. Vintage - purchased in Mexico in the late 80's Intricately hand carved round stone (perhaps sandstone?) with 3D relief Inside / Outside use Can be used as wall decor, a trivet or even a garden accent Wall mountable Felt backing to prevent scratches from wall or other surfaces Vintage condition with no noticeable flaws. Natural imperfections are unique to each handmade piece. Please see all photos for measurements and details. tags: aztec, southwestern, western, boho, hippie, Mexicana, collectible, folk art, Mayan, astrology, mystical Trusted Seller. All items are carefully packaged and shipped same/next day from a clean, smoke-free and pet-free home office.