No extra charges for additional items and quantity. Items listed are from personal collection. They are without fault unless noted in the lot description. We do have quality control.The picture posted is for illustration only unless stated otherwise, so serial number may differ. If you are unhappy about something, let us know. We appreciate your comments and suggestion. This item is in the category "Stamps\United States\Covers\FDCs (1951-Now)\1981-90". The seller is "stampjoyenterprise" and is located in this country: MY. This item can be shipped worldwide.