Apart from the 1988 Gold Britannia Proof Set, this is the only British gold proof set available for this date. Although the Royal Mint started issuing 4 coin gold proof sets in 1980, they were not issued in every year, and 1988 is one of the years for which they were not issued.
UK Registered Post (Special Delivery) £9 per order, plus £1 per £1,000
EU Insured Post £10 per order, plus £1 per £1,000
USA Airmail $10,
Insured Shipping $20, plus $1 per $1,000
Canada Airmail $15,
Insured Shipping via Fedex $60, plus $1 per $1,000
1988 British Gold 3 Coin Proof Set in Presentation Box