British egg traders estimate the over-strong sterling is holding back UK prices by as much as 10-12p a dozen. But on the continent there is spare product which can earn a higher margin if it is shipped to the UK for settlement in sterling. "It can be worth £2 to £2.50 a case to the market trader or cafe manager," said one trader. "And for that kind of saving, they are not going to ask much more than when it can be delivered." {{PROVISIONS }}