Its share price has now risen 85% in less than a year, after a third profits warning in 12 months had slashed a third off the firms value.

Analysts suggested that De La Rue was benefiting from the improved mood on the Stock Exchange amid rumours of a potential bid for the company by a venture capital firm.

De La Rue has been cutting overheads and focusing on higher value business in a bid to win back profits. It also won a contract to print Saddam free banknotes for the reconstructed Iraq.