This US Scott 231 stamp was issued in 1893 to commemorate the Columbian Exposition and mark the first commemorative stamp issued by the United States. The stamp features an image of Christopher Columbus, and its violet color makes it stand out from other stamps. This stamp is graded as ungraded, and it is a used stamp that bears a hand-stamped cancellation. It is also an estate collection stamp that is highly sought after by collectors interested in historical events like the Columbian Exposition. This stamp is a great addition to any stamp collection and is a reminder of the rich history of the United States.