WE EXAMINE STAMPS USING: SERRANE GUIDE, SPUD PAPERS, ALBUM WEEDS, DE THUIN AND ONLINE FORGERY RESOURCES. Centering, Perfs, Paper condition, etc.. Are as shown in image. MEMBERS We do our best to sell material that is accurately described and pictured in our images. All stamps are sound unless otherwise noted in the Item Details above. CATALOGS: Scotts, Stanley Gibbons, FACIT, Follansbee, Celis Cano, MEPSI Publications, Stevens (revenues), Forbin (revenues). MNH – Mint Never Hinged MH, MLH, MHH – Mint Hinged, Light Hinged, Heavy Hinged MNG- No Gum U – Used Faults – as in image or described above. Thank you for looking!