Banksy's GCHQ artwork vandalised in Cheltenham

Part of the artists image of three spies tapping a phone box near GCHQ has been scratched out, while a seven-figure bidding war rumbles on Banksys artwork of three spies tapping a Cheltenham phone booth, which is currently part of an international bidding war, has been vandalised. The Gloucestershire Echo reported that a name has been scratched on the sunglasses of the spook to the right of the phone booth, possibly affecting the value of the piece, which is currently subject to a prolonged bidd...