Runestone (U 53) in the Old Town in Stockholm at the corner of streets Käkbrinken and Prästgatan. Swedish National Heritage Board.[1163×880]

The inscription says: "Torsten and
Frögunn they (raised the) .….. stone in memory of.
their son. " The stone was used as building
material in the foundations of the house. The
cannon was placed there in the 17th century to
protect the corner from coaches. 1915.