These engraved stamps were issued in 1862 by B and C printers and were used, featuring a red color and a pen cancel. They are uncertified and printed on old paper, showcasing a portrait of a historical figure, likely George Washington. These revenue stamps are part of the Back of Book category and are considered a variety with the designation R4.
US First Issue Revenue Stamps: 25c Red Life Ins Scott # R47a Used Ng