It was recovered by the marine policing unit, after being spotted by a passer-by at Bankside Pier in Southwark on 26 August 2013.

Despite a media appeal and the release of an e-fit, his formal identification was never confirmed.

The Metropolitan Police has now renewed calls for more information.

He is described as black, aged between 40 and 50, of large build and balding with dark hair at the sides.

The man also had a beard and moustache.

When found, he was fully clothed in a dark blue fleece, beige shirt, two pairs of dark trousers and brown "Aboutblu" trainers.

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Detective Inspector Adrian Smith said he remains "hopeful" somebody will identify him.

DI Smith said: "Today marks the 10th anniversary of this man being found in the river. Sadly, he remains unidentified.

"Although not everyone has, or remains in contact with, a family, I still remain hopeful that someone will come forward and tell us who he was. Someone must have wondered where he had gone and what had happened to him.

"It's possible that they didn't see our previous appeals, so I would ask that you take a look at the e-fit that we have re-released, and let us know if you remember him."

Bodies that remain unidentified are generally buried in unmarked graves.