Class II stones are carefully shaped slabs dating after the arrival of Christianity in the eighth and ninth centuries , with a cross on one face and a wide range of symbols on the reverse . In smaller numbers than Class I stone , they predominate in southern Pictland , in Perth , Angus and Fife . Good examples include Glamis 2 , which contain a finely executed Celtic cross on the main face with two opposing male figures , a centaur , cauldron , deer head and a triple disc symbol and Cossans , Angus , which show a high @-@ prowed Pictish boat with oarsmen and a figure facing forward in the prow . Class III stones are thought to overlap chronologically with Class II stones . Most are elaborately shaped and incised cross @-@ slabs , some with figurative scenes , but lacking idiomatic Pictish symbols . They are widely distributed but predominate in the southern Pictish areas .