Robuta

https://www.mentalfloss.com/science/archaeology/how-london-mudlarks-unearth-thames-treasures
London's mudlarks hunt for treasures in the River Thames's tidal sands, finding everything from Roman pottery to human bones.
extrememudlarkinglondonfortunehunters
https://www.tidelineart.com/thames-mudlarking-finds.html
mudlarking finds found on the foreshore of the River Thames
mudlarkingfindstidelineart