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"An exceptional Mayan Copador bowl from El Salvador, ca. 600 - 800 AD.  This outstanding example has an 8-3/4\" diameter, an exquisite carinated shape and ribbed base.  The exterior features two groups of three kneeling lords engaged in the blood sacrifice ritual.  They are separated by two blocks of six elaborate glyphs.  The interior has seven vultures, each holding a speaking glyph in its beak, surrounding a Pop glyph, which represents the first month of the year, during which the New Year ceremonies took place.  Painted in vivid red, orange and black, over a cream base.  Intact, with the expected root marks and manganese deposits."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.trocadero.com/stores/Wayob/items/92702/Mayan-Chiefs-Glyphs-Bowl>