No catalog listing for a block of 8. The item "Mint J32 Block/Eight 6 of 8 MINT NEVER HINGED Hard to find and very high catalog" is in sale since Saturday, January 28, 2017. This item is in the category "Stamps\United States\Back of Book\Other US Back of Book Stamps". The seller is "motigers" and is located in Columbia, Missouri. This item can be shipped to United States.