US, Airmails, BOB, 1000's of mostly cacheted FDC's in 6 boxes, sleeved, singles, blocks. Very Clean Group of Covers!IMAGES are Provided for SOME of the COVERS in this LOT! The item "US, Airmails, BOB, 1000's of cacheted FDC's in 6 boxes, sleeved, singles, blocks" is in sale since Thursday, July 18, 2019. This item is in the category "Stamps\United States\Back of Book\Other US Back of Book Stamps". The seller is "pavstamps" and is located in Lampeter, Pennsylvania. This item can be shipped worldwide.