Parts of body, rim, and foot restored.

Beveled resting surface; convex underside. Body as 257. Comic-mask thumb rests: slave with low hair roll, triangular mouth trumpet, and slightly pointed beard. Ivy leaves; wave pattern of white wavy line over diagonal slashes; line partly overpainted white. Pairs of knotted fillets at ends. Shiny black glaze.

Possibly by same hand as 250 and 306.