Mi nt = With original Gum. Unused = Stamp without gum or regummed. We review all best offers. Certain items, such as ZEPPELINS and HIGH DENOMINATION 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. “OBTAINING CERTIFICATES OF AUTHENTICITY”. Stamps generic certificates from The Philatelic Foundation, PSE, or the APS are accepted. NOTE “graded” certificates or “encased” items are not accepted. Proof of inability of a competent authority to express an opinion are not grounds for return. We use premium and secure packaging to better protect your items. We appreciate your continued business! The item “#RG55 $30 1940 SILVER TAX XF USED GEM (APP) WITH PF CERT CV $7,000 WLM4694″ is in sale since Thursday, November 16, 2017. This item is in the category “Stamps\United States\Back of Book\Revenues”. The seller is “billsbargainstamps” and is located in New Milford, New Jersey. This item can be shipped worldwide.