United States, Collection, 1870-2000. 3 volume American Heirloom Collection, used assortment of 19th & earlier 20th century, later containing mostly mint with face value of about $500, including mini-sheets and souvenir sheets, including Airmails and some other back-of-the-book, generally F-VF or better, please inspect. Estimate  $500 - 750. $0