Banksy has today confirmed that the new mural that appeared outside Reading Gaol on Monday morning (March 1) is genuine.

The image appeared overnight and has been the subject of speculation until now.

READ MORE: This is how much value Banksy murals add to your home

The street artist seemingly verified his work through his Instagram page by uploading a video of himself creating the work

However, some residents are asking the question if the street artist made the short trip to Bucks.

READ MORE: CONFIRMED: Five Guys High Wycombe announce opening date

Not long before the prison wall image was discovered in Reading a Banksy-esque piece of artwork was spotted in Marlow at The Duke pub.

What do you think? To Banksy or not to Banksy?

The banksy-style street art in Marlow

The banksy-style street art in Marlow