JJ: US Stamp Collect Estate Stamp Grab Bag Revenue & Back of Book Stamps ONLY. NO JUNK! No regular issues, no first day covers, and heavy on paper items in this grab bag. The pictures represent the source material that your grab bag will be made up from. You may or may not receive the stamps in the pictures. This grab bag has ONLY back of the book stamps, you may possibly get: IRS revenue stamps, such as... Proprietary stamps Documentary stamps First issue revenues and second issue revenues (19th century, Civil War era, the earliest revenues) State revenue stamps Postage due, parcel post, special delivery, airmail stamps, official stamps Will ship in a glassine envelope. Will have a few duplicates.