USA
![USA 1916](/image/66091/base250X250/usa-1916-usa-national-philatelic-society-4th-convention-lynn-mass-july-20-21-22.jpg)
USA, Mint never hinged
1916. USA.NATIONAL PHILATELIC SOCIETY 4TH CONVENTION LYNN MASS JULY 20-21-22.
![USA 1916](/image/66092/base250X250/usa-1916-usa-national-philatelic-society-4th-convention-lynn-mass-july-20-21-22.jpg)
USA, Hinged
1916. USA.NATIONAL PHILATELIC SOCIETY 4TH CONVENTION LYNN MASS JULY 20-21-22.
![USA 1916](/image/66093/base250X250/usa-1916-usa-national-philatelic-society-4th-convention-lynn-mass-july-20-21-22.jpg)
USA, Mint never hinged
1916. USA.NATIONAL PHILATELIC SOCIETY 4TH CONVENTION LYNN MASS JULY 20-21-22.
![USA 1934](/image/66094/base250X250/usa-1934-usa-trans-mississippi-philatelic-exhibition-and-convention-october-8th.jpg)
USA, Hinged
1934. USA. Trans-Mississippi Philatelic Exhibition and Convention October 8th to 14th.
![USA 1934](/image/66095/base250X250/usa-1934-usa-trans-mississippi-philatelic-exhibition-and-convention-october-8th.jpg)
USA, Hinged
1934. USA. Trans-Mississippi Philatelic Exhibition and Convention October 8th to 14th.
![USA 1934](/image/66096/base250X250/usa-1934-usa-trans-mississippi-philatelic-exhibition-and-convention-october-8th.jpg)
USA, Hinged
1934. USA. Trans-Mississippi Philatelic Exhibition and Convention October 8th to 14th.
![USA 1932](/image/66109/base250X250/usa-1932-usa-endicot-philatelic-club-endicott-ny-advert-spauldings-sunshine.jpg)
USA, Mint never hinged
1932. USA. ENDICOT PHILATELIC CLUB ENDICOTT, NY Advert SPAULDING'S sunshine vitamine D BREAD.
![USA 1926](/image/66111/base250X250/usa-1926-usa-international-philatelic-exhibition-new-york-oct-16-23-1926-come.jpg)
USA, Mint never hinged
1926. USA. INTERNATIONAL PHILATELIC EXHIBITION NEW YORK OCT. 16-23, 1926 Come!
![USA 1901](/image/66076/base250X250/usa-1901-pan-american-exhibition-in-buffalo-4-cents-electric-car-so-early.jpg)
USA, Michel 134, Cancelled
1901. PAN AMERICAN EXHIBITION IN BUFFALO 4 CENTS. Electric car - so early.
![USA 1901](/image/66077/base250X250/usa-1901-pan-american-exhibition-in-buffalo-5-cents-niagara-falls-bridge.jpg)
USA, Michel 135, Cancelled
1901. PAN AMERICAN EXHIBITION IN BUFFALO 5 CENTS. Niagara Falls bridge.
![USA 1901](/image/66078/base250X250/usa-1901-pan-american-exhibition-in-buffalo-8-cents-canal-locks.jpg)
USA, Michel 136, Cancelled
1901. PAN AMERICAN EXHIBITION IN BUFFALO 8 CENTS. Canal locks.
![USA 1901](/image/66079/base250X250/usa-1901-pan-american-exhibition-in-buffalo-10-cents-ocean-steamer-st-paul.jpg)
USA, Michel 137, Cancelled
1901. PAN AMERICAN EXHIBITION IN BUFFALO 10 CENTS. Ocean steamer St Paul.
![USA 1904](/image/66080/base250X250/usa-1904-louisiana-exhibition-in-st-luis-5-cents-william-mckinley.jpg)
USA, Michel 157, Cancelled
1904. LOUISIANA EXHIBITION IN ST LUIS 5 CENTS. William McKinley.
![USA 1904](/image/66081/base250X250/usa-1907-jamsetown-exhibition-in-hampton-roads-5-cents-pocahontas.jpg)
USA, Michel 161, Cancelled
1907. JAMSETOWN EXHIBITION IN HAMPTON ROADS 5 CENTS. Pocahontas.
![Nigeria 1950](/image/64995/base250X250/nigeria-1950-nigeria-george-vi-and-landscapes-1-d-on-cover-to-united-nations-ny.jpg)
Nigeria, Michel 48, Cover
1950. NIGERIA. George VI & Landscapes 1 d on cover to United Nations, NY, USA EKU … 8 JY 1950 NIGERIA. Postage due cancel T and marking COLLECT POSTAGE 14 CENTS.