This US FDC commemorates the 100th Anniversary of the American Institute Architects in 1957. The stamp cover features a multi-color design and cancellation type of First Day of Issue. The quality of the item is used and it is ungraded with no certification. It is a vintage item from the United States with a denomination of multi. The country of origin and topic are also United States and anniversary, respectively. The California Prop 65 Warning is none. This item is a great addition to any stamp collection and a must-have for history enthusiasts.