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 "#191 VF-XF USED WITH PSE CERT HV8592" is in sale since Saturday, January 24, 2015. This item is in the category "Stamps\United States\19th Century\ Used". The seller is "billsbargainstamps" and is located in New Milford, New Jersey. This item can be shipped worldwide.