trial_description_8:
From corner of squared block. Corner broken away on one face. Smoothed on narrow sides and one face, with abundant tool marks of flat chisel; other face largely broken and crumbled away.
No clues to its use - tombstone? Cf. late Protogeometric Grave Stone, Kerameikos IV, p. 3, unsquared but in situ.
Creamy soft poros.