§ Mr. Arthur Lewisasked the Chancellor of the Exchequer, since under the terms of the Basle Agreement of 1968 Her Majesty's Government are obliged to top up the sterling value of the bulk of the reserves held in London by overseas sterling area countries if this falls below $2–40, what is the cost to date of the fall in the value of the £ by 6.3 per cent. of its former value.