Unjoining two fragments. Broad rim with flat underside, two grooves and impressed rouletting on upper rim and interior on wall. Pale buff fabric (7.5YR 8/6) with thin orange slip (between 2.5YR 6/6 and 6/8).
The above information comes from Sebastian Heath and Billur Tekkok, https://classics.uc.edu/troy/grbpottery/html/lr-lightcolored.html.