Postcard for "First American Art" Exhibit, by Unknown, 2004, Smithsonian Archives - History Div, Color postcard advertising special activities for the "First American Art: The Charles and Valerie Diker Collection of American Indian Art" exhibit at the National Museum of the American Indian. The front of the postcard has an image of a coin bowl and a rattle that looks like a head, against a black background. The postcard is unused, but the message side is filled with information about special activities for the exhibit..