The product is a United States postage stamp issued in 1893, featuring a design commemorating the 400th anniversary of the arrival of Columbus in the Americas. Specifically, it is a 4 cent stamp in ultramarine color, mint never hinged, and graded as XF/S (Extremely Fine/Superb). This stamp holds historical significance as it was issued during a period of significant exploration and settlement in the Americas, making it a valuable collectible for stamp enthusiasts and history buffs alike.