A prismatic-shaped piece of abrasive stone, perhaps used to rub down or polish marble.
Sandstone.
ADDENDA Identified as "TPOXOΣ", and as being sandstone by A. Georgiades.
Cf. H.S.R. "Notes on Agora Stone-Worker's ... 1 April 1949
Broken at both ends; slightly tapering.
Irregularly five-sided; part of a polisher similar to ST 456, made of sandstone.
Worn from use and one of the broken ends also worn smooth.
ADDENDA Identified as ... 1 April 1949
