Drbobstamps US Scott #21 Scarce Used Stamp w/Weiss Certificate. See certificate in photos. All stamps are guaranteed sound unless otherwise noted in the description. Stamps are Original Gum or No Gum as Issued unless otherwise indicated. Please note that this policy does not allow time for certification. Variations in individual monitors mean that stamp photos are not 100% accurate. You will find that our customer service is tops in the business! This allows us to continue to bring you quality material at reasonable prices. Please request an invoice before paying for multiple lots. We are one of the largest companies in the United States specializing in the sale of large US and Worldwide Collections. We are members in good standing with the ASDA and the APS. International Buyers Please Note. US and International laws prohibit such behavior. Powered by SixBit’s eCommerce Solution. The item “Drbobstamps US Scott #21 Scarce Used Stamp withWeiss Certificate” is in sale since Wednesday, November 09, 2016. This item is in the category “Stamps\United States\19th Century\ Used”. The seller is “drbobstamps” and is located in Red Lion, Pennsylvania. This item can be shipped worldwide.