USA. 1851–1990. Extensive collection in several old albums, some stockbooks, lots of loose stamps in duplicate files, covers, year-sets and other material (2 large boxes). The collection in mostly mounted in a very appeling way with many issues shown in colour-shades, cancellations, some covers and other suppl. material incl. many better and scarce issue. Also very comprehensive collection pre-cancellations etc. Must be inspected [ ** * ⊙ ✉ ]