Rare female standing figure, Mezcala culture, Guerrero, Mexico, type M-6, early to middle Formative period, ca 1800 -1200 B.C. Green diorite. Anthropomorphic form with female attributes, deepened mouth. Eyes and arms only indicated, on short legs. H. 13 cm. Provenance: Collection August Maurer, Basel before 1986; Auction Vogler, 2015, Private collection Germany. Literature: Gay Carlo: Mezcala Stone Sculpture - The Human Figure, Museum of Primitive Art, New York, 1967 [a very similar figure p.25, Ill. 3, here still referred to as type M-4, 1992, loc. cit., p. 47. Pl. 29 then attributed to type M-6]; Gay Carlo and Pratt Frances: Mezcala: Ancient Stone Sculpture from Guerrero Mexico, Switzerland and New York: Balsas Publications, 1992, p. 47.; Gay Carlo: Ancient Ritual Stone Artifacts: Mexico, Guatemala, Costa Rica, Bruxelles, Académie Royale de Belgique, 1995; Gay Carlo and Robin: Chontal - Ancient Stone Sculpture from Guerrero, Mexico, Switzerland, Balsas Publications, 2001. Notes Antiquities, part II.