Banksy’s iconic stab-proof vest decorated with the union jack flag, made famous by rapper Stormzy during his 2019 Glastonbury headline performance, has been sold in London for £780,000 (€932,000). The vest was one of five created by the anonymous British street artist and was put up for sale with an original estimate of £300,000 (€360,000). It belongs to Banksy’s Gross Domestic Product homewares line, which was first displayed on a shopfront in Croydon in South London in 2019 to comment on the impending commercialisation of the Banksy brand. In 2020, Banksy’s Stormzy vest was nominated for a B…