This is a pretty British Studio Pottery Bowl made at the Winchcombe Pottery.
It is hand thrown and made of a red terracotta with peppermint glaze on the inside and around the rim section on the exterior and below the green rim glaze is a secondary chocolate brown glossy band.
It has a geometric pattern consisting of a slipware wavy line inside the bowl, as photographed.
It has the Winchcombe Pottery impressed stamp on the base and also the initials ST in a lozenge for the potter Sidney Tustin. He was one of the main throwers at the famed Winchcombe Pottery, where he worked for 51 years.
It probably dates to the late 1960s to early 1970s.
Dimensions - it is just over 6 inches in height and is 2 1/4 inches in height.
It will cost £4.95 to send to you in the UK with Royal Mail recorded post - this will be applied to your order at checkout.