This is a US Scott #RW23 Used Fine 1956 US Federal Duck Stamp. The stamp features a beautiful depiction of a duck in black color. It has a denomination of $2 and was issued in the United States in 1956. Despite being used, it maintains its quality and grade of F (Fine). The cancellation type used was a pen cancel. According to the Scott 2024 Catalogue Value, its value is $12.50. This stamp is a great addition to any stamp collection, especially for those interested in ducks. It is uncertified and was issued in the Back of Book category under the Stamps and United States categories.