ORNAMENTAL AVIFORM PLAQUES Bronze with dark green and red patina Dim. 5.2 x 3.5 x 3.8 cm Inner Mongolia, Ordos, 4th-3rd century BC Provenance Former Rassla Foundation, Switzerland, 1970s A Group of 3 Western Asia bronze ornament plaques. Birds heads. Ordos Civilization, 4th-3rd century BCE