The base and shaft of the churchyard cross remain and are 44.5 inches high. {1}{2} The monument includes the base and lower part of the shaft of a medieval limestone standing stone cross, located in the churchyard of St Thomas of Canterbury's church, Mumby, to the south east of the south porch. For full details see the scheduling document 22706. {3} A 14th century ashlar churchyard cross. It has an octagonal base which supports a square tapering cross shaft with facetted angles and stop chamfers. For the full description and the legal address of this listed building please refer to the appropriate List of Buildings of Special Architectural or Historic Interest. {4}