Figure 5 Portland vase and Peruvian stirrup vessel. Portland vase, marked “Wedgwood,” Staffordshire, 1820–40. Jasperware. H. 9 7/8". Stirrup vessel, Moche culture, Peru. H. 8 7/8". Earthenware. (Private collection; photo, Gavin Ashworth.) Note the use of relief decoration to depict cultural myths.