Bank of Scotland £5 note impaired vision. The back featured an image of The Mound, the location of the bank's headquarters. Each denomination also featured a rear design reflecting a certain aspect of Scottish industry and society. On the £5 note the rear design represented the oil and energy industry. Three symbols appeared on the right-hand side of the rear of the note. These are (from top to bottom) Pallas, goddess of weaving (symbol of the British Linen Bank which merged with the Bank of Scotland in 1971), a saltire with gold bezants (part of the bank's coat of arms), and ship (symbol of the
Bank of England £20 note of England in 1943, and it was not until 1970 with the introduction of the series D notes that the denomination reappeared. The predominantly purple series D notes were two-sided, with an image of Queen Elizabeth II appearing on one side, accompanied by an image of Saint George and the Dragon (all subsequent Bank of England notes also feature an image of the Queen) and an image of William Shakespeare appearing on the other. This note also had a security feature in the form of a 'windowed' metal thread. The thread is woven into the paper so that it forms