The product is a United States Scott # 77 stamp issued in 1861 featuring a 15 cents black design of Abe Lincoln. This stamp is categorized as Mint No Gum (MNG) with a grade of Extremely Fine (XF) and is uncertified. It falls under the historical figures topic, specifically honoring the United States' 16th President. The stamp is from the 1861-1870 period of issue and is a valuable collector's item, cataloged at $3000.