Product Information TROIKA pottery small wheel vase with abstract patterns both sides, including ‘calculator’ pattern on one side. Cream background. Handwritten Troika and TR marks to the base. We believe this piece was decorated by Tamsin Ruhrmund. Circa 1970s. Dimensions are approx. 12cm high, 12cm wide, 2.5cm deep. No damage, cracks or chips. In good condition. A very nice mid-century vase. Please see photos for more information.