Nice rare key stamp for your collection, not the finest centering and it seems sort of wrinkled, but this is a fairly rare stamp...so priced accordingly.
In 1916, the Bureau of Engraving and Printing began producing stamps on unwatermarked paper. With the United States already close to a wartime economy as World War I raged in Europe, the lower cost of single mark paper added up to big savings for the Bureau. However, single watermarks on previous stamps were often quite hard to identify, and collectors were slow to recognize that a new type of paper was being used.
|Shipping / Handling Cost||Cost For Each Additional Item||Service|
|$0.33||$0.05||Economy Shipping (1 to 10 business days)|