We strive to display the highest quality images of the front & back of the stamps. Unlike other sellers we do not use image enhancing to improve how the stamps appear. Unlike other sellers if there is any fault with the stamps it will be noted in the "Lot Description Area" above, if we do not mention any faults in the description, then the item is fault-free. H: hinged or lightly hinged or hinge remnant, use back image to decide. Unused: unused stamp with no gum or regummed.NGAI: No Gum As Issued. #1-10: means complete set from 1 to 10. #1/10: means incomplete set from 1 to 10. Values mentioned in title is for Catalogue values. If sign is used before the value then its Michel Value and Catalogue number in 95% of the cases. Check our other items in the Store. The item "MOMEN US STAMPS #505 ERROR BLOCK OF 9 MINT OG NH" is in sale since Monday, September 30, 2019. This item is in the category "Stamps\United States\Errors, Freaks, Oddities". The seller is "momenstamps" and is located in Cary, North Carolina. This item can be shipped worldwide.