The 2026 George Brett Cup Competition, sponsored by the American Association of Philatelic Exhibitors, will once again take place at the Rocky Mountain Stamp Show. The competition is limited to exhibits of 20th Century material that qualified by achieving 92 points or higher at a WSP show from 2023 thru 2025. Participation is by invitation only. Some exhibits will have already qualified for the Champion of Champions competition to be held at Boston 2026 in May.