Only 18 examples are known, tiniest pinhole & margin flaws as seen in the scan. We strive to describe the items as accurate as we can. Check out our other auctions! We strive to display the highest quality images.What you see is what you get. We are committed to your 100% satisfaction. When you decide to return the item. Wait for our response before you return the item. Return time will be extended to 90 days from the date of the sale. The item "Momen US Stamps #RS267b Revenue Medicine RARE" is in sale since Monday, April 19, 2010. This item is in the category "Stamps\United States\Back of Book\Revenues". The seller is "momenstamps" and is located in Raleigh, NC. This item can be shipped worldwide.