Need to ask about a lot?

UNITED STATES - 1860s - 1990s USED COLLECTIONS in carton. A wide range of material in stockbooks, binders, on pages and on stock cards. Includes airs, dues, officials, parcel post, blocks and a few covers. Better include 1862-66 24c, 1893 Columbus to 50c, and 1901 Pan American set. Many 1,000s of stamps.