Broken away at one end. Smooth dressed on both faces. One face covered with thick stucco, growing thicker toward the top. Relieving surfaces along both edges of top. Well worked anathyrosis. No clamp cutting ... August 1960 ... Assigned to the enclosure wall of the Heliaia because of its close correspondence with the blocks found in situ at the S.E. corner ... Removed from packing for cross wall between first and second room on west side of Heliaia.