This US beer stamp, REA40f, features a 1/3 barrel and denomination of 33 cents. It was originally issued in 1878 in the United States and is printed on blue paper. The stamp is of high quality, graded XF/S (Extremely Fine/Superb), and is sold uncetified. It is a great addition to any collection of Revenues, Back of Book, United States, or Stamps. Dark blue paper with no plate letter or position number. Catalog value $250. The 1/3 value was added because it was the optimal size for a mule to carry two barrels usually to west of the mississippi.