Blackfriars Ireland Yard Stone


A mystery stone in a small garden on Ireland Yard, Blackfriars, London.

I would love to know what this is or which building it came from but as yet I haven't found any information on it. It is right next to the rubble wall remnant from the Dominican Priory:
https://skfb.ly/6NuYM

87 photos taken in September 2019 with a Sony a6000 and processed in Agisoft Metashape.