1c Black on watermarked paper. Extremely Fine, unusually well-centered with. And very large margins, an exceptional example of this medicine stamp. There is light printing plate wash at top center. This is one of the finest-looking examples of this stamp we have ever encountered.If you have questions regarding this Scott #RS101d, please contact Christopher Rupp. Every inquiry will receive a prompt and candid reply. Rupp Brothers was established in 1975 - this is our 44th year in business as professional philatelists. Rupp Brothers will pay the FULL market price for outstanding stamps. Premiums will be paid for stamps that have Philatelic Foundation certificates. 1c Black on wmk paper, XF, exceptional centering" is in sale since Saturday, May 11, 2019. This item is in the category "Stamps\United States\Back of Book\Revenues". The seller is "ruppbrothers" and is located in Locust Valley, New York. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Sweden, Indonesia, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Israel, Mexico, New Zealand, Philippines, Singapore, Switzerland, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Bahrain, Croatia, Malaysia, Colombia, Costa rica, Panama, Trinidad and tobago, Guatemala, Honduras, Bangladesh, Brunei darussalam, Ecuador, Egypt, Martinique, Pakistan, Viet nam, Uruguay, Russian federation.