This is a beautiful plate block of 6 stamps, issued by the United States in 1933. It commemorates the 150th anniversary of the naturalization as an American citizen of Polish General Thaddeus Kosciusko. It is Scott catalog #734, and is mint never hinged in pristine condition. All photos of stamps, plate blocks and sheets of stamps issued after 1930 are stock. If you are looking for a particular number or position, please message us, as we have multiples of many items.