An incised cross-slab, thought to date to the 8th century AD, was found lying above the broogh near St German's railway station, about 600 metres northwest of Knocksharry cemetery by Mr Clementson in 1920.  It had lain not far from the site of an old keeill from which it had probably been taken.  The slab measures 81 centimetres by 25 centimetres by 3.5 centimetres thick. There is a cast kept at the Manx Museum.