This rare sheet of six 1981 18c Architecture stamps features the work of Maybeck, Hunt, and Sullivan. Mint never hinged, the stamps are in pristine condition, ready to be added to any collection. The United States-themed stamps showcase stunning architectural designs and are perfect for stamp enthusiasts or anyone interested in architecture. This sheet is ungraded and uncertified, making it a unique addition to any collection. From the United States region, this sheet was produced in the United States and is a must-have for any stamp collector.