NOTE "graded" certificates or "encased" items are not accepted. Notes PCGS or PMG opinions are accepted. We guarantee our description, not a specific numeric grade. 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 "J57, Mint 30c POSTAGE DUE XF-SUPERB OG LH GEM" is in sale since Monday, February 11, 2013. This item is in the category "Stamps\United States\Back of Book\Other US Back of Book Stamps". The seller is "billsbargainstamps" and is located in Hampton, NH. This item can be shipped to North, South, or Latin America, all countries in Europe, all countries in continental Asia, Australia.