Canada Post Thanks Merci Employee Stamp Set Book Sealed In Box. This stamp set is a perfect way to show appreciation to a boxing enthusiast. The set includes a book of stamps that have never been used or opened, and is sealed in its original box. It is of mint quality and is ungraded. The certification is uncertified. The stamp set is a great addition to any collection and is a unique gift for a collector or boxing fan. It is made in Canada and is a great way to show support for Canadian stamp collecting.