 The Tjängvide image stone from the island of Gotland , Sweden features a rider on an eight @-@ legged horse , which may be Odin 's eight @-@ legged horse Sleipnir , being greeted by a female , which may be a valkyrie at Valhalla . The 11th century runestone U 1163 features a carving of a female bearing a horn that has been interpreted as the valkyrie Sigrdrífa handing the hero Sigurd ( also depicted on the stone ) a drinking horn . 
