Certain items, such as zeppelins and high denom notes, have very little profit margins leaving very little room for discounting. Offers within 5% of the asking price have the best chance of acceptance. Stamps described with faults are NOT returnable. Stamps generic certificates from The Philatelic Foundation, PSE, or the APS are accepted. NOTE "graded" certificates or "encased" items are not accepted.Proof of the inability of a competent authority to express an opinion is not grounds for return. We use the finest in secure packaging to better protect your items. The item "#64B ON UNION CIVIL WAR PATRIOTIC COVER #ST-536a BR762" is in sale since Saturday, January 18, 2014. This item is in the category "Stamps\United States\Covers\Postal History". The seller is "billsbargainstamps" and is located in New Milford, New Jersey. This item can be shipped worldwide.