Powered Flight in Canada: Beyond World War II sterling silver coin set of 10. The coins have been struck by the Royal Canadian Mint and are authorized by by the Government of Canada. The mintage for the 10-coin series is limited to 50,000 per coin, worldwide. This set is numbered 04016. The set is in overall good condition with some wear to the box. The coins and silver case are in great condition with minimal scratches. Everything you see included in the photos you are paying for.