Most of rim and wall restored.
Small foot; flat resting surface; flat underside. Angular profile with groove below angle. Widely flaring rim. Flat floor meets wall at angle. Stamp on floor (not centered): ... 110-100 ... Another with grooved wall: P 5705 (F 13:3, upper fill [POU]).
Stamp similar to reverse of Athenian New Style silver coins; see M. Thompson 1961.