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United States Demonetization and Transition to the 1861 Design Stamps – Daniel Knowles
April 10, 2024 @ 5:30 PM - 7:00 PM

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Principal Philatelic Interests and Collections:
- Domestic and International Mail Handling by the United States During the 1860s
- Impact of the American Civil War on the Mail
- Development of the Confederate States of America Postal Service
- Postal History of Suffolk County, Long Island, New York State
- Postal History of Sag Harbor, Long Island, New York State
- Postal History of the Long Island Railroad
- Postal History of Mail Service Across the Long Island Sound
- PAID Markings and Auxiliary Markings on the 1861 3 Cent Stamp on Cover
Society Memberships and Appointments:
- American Philatelic Society: 50 Year member, Life Member (#50246)
- United States Philatelic Classics Society, Life Member (#1092)
- Civil War Philatelic Society, Trustee (2020-2022)
- Civil War Philatelic Society, Vice President (2022-2024)
- Civil War Philatelic Society, Authentication Service (2021- )
- The Royal Philatelic Society of London
- Club de Monte-Carlo
- Collectors Club of New York
- American Association of Philatelic Exhibitors, Life Member
- Empire State Postal History Society, Life Member
- United States Cancellation Club
- Carriers and Locals Society
- American Philatelic Congress
- Western Cover Society
- Postal History Society
- Mobile Post Office Society
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