R36a, (Imperforate) 10-Cents, Used, Sound Condition. Foreign Mailing May Require REGISTERED Mailing Costs. Also check out all my other U. & Foreign Stamps, First Day Covers, Picture Postcards, Coins and Currency, Sports & Non-Sports Cards. Thank you for Viewing this Lot. This item is in the category "Stamps\United States\Back of Book\Revenues". The seller is "nsccollect" and is located in this country: US. This item can be shipped worldwide.