2008 End Of World War 1. 1oz 999 Silver Proof Coin Pair. Cook Islands. Numbered Certificate of authenticity. Limited Mintage Only 1918 pairs. Just return the item in the same condition as received with all packaging and provide a legitimate reason for return. Item sent immediately funds show. International Buyers – Please Note. We do not mark merchandise values below value or mark items as “gifts” – AU and International government regulations prohibit such behaviour.