A container of 1050 Alu billet was stolen last week from a UK port, it showed up at a smelters yard who alerted the party who have lost the material (Turkish Mill). The material was rejected and is now doing the rounds.
 
It’s very recognisable Primary Alu billet. See photo below.

If you have any information, please contact Essex Police quoting crime reference number: 42/218369/22.