The Laxdæla Saga on An the White
Laxdaela > Saga > Chap. Xlvi
attestation: An tracked Thorolf's footprints in fresh snow and found the sword hidden in a ditch
"An rode back to the brushwood, and followed the footprints of Thorolf to a certain ditch or bog. He groped down with his hand, and grasped the hilt of a sword."
attestation: An brought Thorarin from Saelingsdale Tongue as witness before retrieving the sword
"An wished to have witnesses with him to this, and rode for Thorarin in Saelingsdale Tongue, and he went with An to take up the sword."
attestation: The place where the sword was found became known as Sword-ditch; the scabbard was never recovered
"The place was afterwards called Sword-ditch, where An and Thorarin had found the "King's-gift." This was all kept quiet. The scabbard was never found again."