Sowerbutt's Safe

The plan was for One-Line to check the back of the Victorian building, Panda to watch the street and Spaghetti, Missionary and Captain Morgan to slip up the stairs to Mr Riba’s second-floor office. Blowing the safe was to be coordinated with the Luftwaffe bombs falling.
http://www.amazon.co.uk/Colour-Gold-A-Kings-Ransom-ebook/dp/B00HT7NUP4