Huntcliff ware

It is a distinctive variety of calcite-gritted ware jar with a curved, everted rim with lid-seated groove, made in East Yorkshire from around AD 360 to the 5th century AD.

This fabric may be dark grey, dark brown or more usually black. It is hard with a hackly fracture and harsh feel. The external surfaces are usually smoothed and knife trimmed near the base. A series of poorly executed parallel grooves on the shoulder are characteristic.^[3] It is heavily tempered with crushed calcite. The jar forms have handmade bodies and the rim finished on a potter's wheel.