169 CI 9.9.894. Stone. Isosceles triangle, type Bb, in palombino with all three sides partly preserved. The sides and upper surface have been smoothed, the back is roughly cut and has slight traces of mortar. L. of longest side 10.1, L. of short sides. 6.5/7.1, T. 1.1-2.1. Reconstructed sides: L. longer sid22.4, short sides 12.8