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  2. Macular degeneration - Wikipedia

    en.wikipedia.org/wiki/Macular_degeneration

    8.7% global prevalence in 2020 [ 2] Macular degeneration, also known as age-related macular degeneration ( AMD or ARMD ), is a medical condition which may result in blurred or no vision in the center of the visual field. [ 1] Early on there are often no symptoms. [ 1] Over time, however, some people experience a gradual worsening of vision that ...

  3. Postage stamps and postal history of the United States

    en.wikipedia.org/wiki/Postage_stamps_and_postal...

    Benjamin Franklin — George Washington The First U.S. Postage Stamps, issued 1847. The first stamp issues were authorized by an act of Congress and approved on March 3, 1847.[ 20] The earliest known use of the Franklin 5¢ is July 7, 1847, while the earliest known use of the Washington 10¢ is July 2, 1847.

  4. U.S. space exploration history on U.S. stamps - Wikipedia

    en.wikipedia.org/wiki/U.S._space_exploration...

    Neil Armstrong. On September 9, 1969, the U.S. Post office issued its first airmail stamp to depict a space exploration theme, the First Man on the Moon issue. The man depicted in the space suit is Neil Armstrong taking man's first step on the Moon. This issue was designed by Paul Calle.

  5. History of United States postage rates - Wikipedia

    en.wikipedia.org/wiki/History_of_United_States...

    Postal rates to 1847. Initial United States postage rates were set by Congress as part of the Postal Service Act signed into law by President George Washington on February 20, 1792. The postal rate varied according to "distance zone", the distance a letter was to be carried from the post office where it entered the mail to its final destination.

  6. Postage stamp - Wikipedia

    en.wikipedia.org/wiki/Postage_stamp

    3. Denomination. 4. Country name. A postage stamp is a small piece of paper issued by a post office, postal administration, or other authorized vendors to customers who pay postage (the cost involved in moving, insuring, or registering mail). Then the stamp is affixed to the face or address-side of any item of mail —an envelope or other ...

  7. List of British postage stamps - Wikipedia

    en.wikipedia.org/wiki/List_of_British_postage_stamps

    Low value definitives, 1873–80 (coloured corner letters) Low value definitives, halfpenny to 5d 1880–81. Penny Lilac 1881, the most issued Victorian stamp. High value definitives, 2/6 to £1 1883–84. Lilac and Green low value definitives 1883. Jubilee issue postage stamps 1887–92.

  8. Presidents of the United States on U.S. postage stamps

    en.wikipedia.org/wiki/Presidents_of_the_United...

    Among the most definitive is George Washington, whose engraving (along with that of Benjamin Franklin) appeared on the first U.S. Postage stamps released by the U.S. Post Office, on July 1 of 1847. Thomas Jefferson first appeared on U.S. postage in March 1856, nine years after the first issues were released.

  9. Postage stamps and postal history of Ukraine - Wikipedia

    en.wikipedia.org/wiki/Postage_stamps_and_postal...

    In 1918 an independent Ukrainian People's Republic was established and a series of five definitive stamps were issued. They were printed imperforate on thin paper and then on thicker paper with perforations. [ 2] The 10 and 20-shah stamps were designed by the artist Anton Sereda and the 30, 40, and 50-shah stamps by Heorhiy Narbut, a master ...