"As we can not see a similar trend in our other markets, we can only assume that Scotland has been a significant factor." Director Daniel Marburger added: "Our August and September UK gold sales are already up by 20pc when compared to the same period in June and July this year and there are still two weeks to go until the end of September. Sales of silver in August are also up by more than 25pc. Given that global uncertainty in the Middle East and the Ukraine does not seem to have had a significant impact on gold and silver demand in the rest of our markets over the last two months, we believe that Thursday's referendum for Scottish independence has had a notable effect on demand in the UK."