National Philatelic Exhibitions of Washington, D.C., Inc.


  • 1948-
    Washington, D.C. is chosen as site of the 1950 American Philatelic Society convention, with the Washington Philatelic Society as host chapter.
  • 1949-
    The Washington Philatelic Society's APS convention commiittee incorporates separately as National Philatelic Exhibitions of Washington, D.C. The acronym NAPEX appears in print for the first time.
  • 1950-
    The first NAPEX show is the largest philatelic event in the United States between the 1947 and 1956 international shows. Seven national societies convene in addition to APS, and another—the Western Express Unit—is formed during the show.
  • 1952-
    NAPEX hosts the Eighteenth American Philatelic Congress at the Hotel Statler.
  • 1961-
    Chairman of the Board Svend Yort revitalizes the NAPEX organization, introducing individual and society memberships as a way to expand its volunteer base beyond the Washington Philatelic Society.
  • 1964-
    The second NAPEX is held to coincide with the opening of the Smithsonian Institution's Hall of Philately and Postal History. The American Philatelic Society and the Society of Philatelic Americans convene at the same show for the first time.
  • 1966-
    The NAPEX committee forms the nucleus of the committee that produces SIPEX, the Sixth International Philatelic Exhibition. The 1966 international show moved to Washington after the New York organization that was planning it collapsed.
  • 1971-
    The final NAPEX show is held in the District of Columbia. The United Nations Sales Agency participates for the first time, and the Bureau of Engraving and Printing issues its first NAPEX souvenir card.
  • 1973-
    NAPEX moves to the Twin Bridges Marriott in Arlington, Virginia. The American Air Mail Society holds its 50th Annivesary convention at NAPEX.
  • 1980-
    The show is held in Maryland for the first and only time, at the Pooks Hill Marriott in Bethesda, The Bureau Issues Association holds its 50th Anniversary convention.
  • 1984-
    NAPEX moves to the Sheraton National near the Pentagon.
  • 1995-
    NAPEX moves to the Hilton McLean in Tysons Corner, Virginia.
  • 1996-
    NAPEX become the first World Series of Philately stamp show to launch a website.
  • 2000-
    NAPEX show cachets and souvenir card are intaglio printed for the first time.
  • 2004-
    The first philatelic literature exhibition is held at NAPEX. Charles Peterson is the literature exhibits chairman.
  • 2012-
    The show committee introduces all-electronic exhibiting applications and a new "responsive design" website that displays on handheld devices.

Historical Images of NAPEX
Shoreham Hotel
1964 Banquet
Washington's Shoreham Hotel, site of the 1950, 1964 and 1971 NAPEX shows as well as the 1966 international show SIPEX.
The NAPEX 1964 awards banquet seated an astonishing 325 diners, still the largest ever banquet at a national-level show.
1973 Show Committee
The 1973 show committee. Chairman John Hoffman is at center.


NAPEX 2024

Friday, June 7: 10 am to 6 pm
Saturday, June 8: 10 am to 6 pm
Sunday, June 9: 10 am to 4 pm

Hilton McLean Tysons Corner 7920 Jones Branch Drive McLean, Virginia 22102

Do not try to make the reservation through
There are 2 ways for NAPEX attendees to make their hotel reservations:
Make On-Line Hotel reservations
Phone the Hilton reception desk directly at (703) 847-5000. Use rate code NAPX24 and tell them that you are attending NAPEX.
Either way you will get the NAPEX show rate (June 7-9):
$129/night + taxes
(single or double occupancy)
Deadline for reservations at $129 rate is May 24,2023