Read about the history of the collection and the collector, William H. Gross.

See New York City and Toronto viewing schedules.


At the request of William H. Gross, proceeds from this auction will benefit the Smithsonian National Postal Museum William H. Gross Stamp Gallery.

Read more about this important addition to the Smithsonian Museum.

View the catalog, learn about bidding, and see prices realized on the results page once the auctions are complete.

Confederate States of America
Postmasters’ Provitionals

British North America
Important Postage Stamps and Postal History