enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. Postage stamp problem - Wikipedia

    en.wikipedia.org/wiki/Postage_stamp_problem

    For example, suppose the envelope can hold only three stamps, and the available stamp values are 1 cent, 2 cents, 5 cents, and 20 cents. Then the solution is 13 cents; since any smaller value can be obtained with at most three stamps (e.g. 4 = 2 + 2, 8 = 5 + 2 + 1, etc.), but to get 13 cents one must use at least four stamps.

  3. Stamp prices just went up again. Here’s what the U.S. Postal ...

    www.aol.com/news/u-postal-raises-stamp-prices...

    A new stamp price increase went into effect on Sunday, July 10, and includes a price hike for forever stamps. and prices at the post office. ... Single-piece letter (extra ounce): 20 cents to 24 ...

  4. Non-denominated postage - Wikipedia

    en.wikipedia.org/wiki/Non-denominated_postage

    In 2006, the USPS applied for permission to issue a first-class postage stamp similar to non-denominated stamps, termed the "Forever stamp". [12] The first such stamp was unveiled on March 26, 2007, and went on sale April 12, 2007, for 41 cents (US$0.41). [13] Termed the "Liberty Bell" stamp, it was marked "USA first-class forever".

  5. Millennium Prize Problems - Wikipedia

    en.wikipedia.org/wiki/Millennium_Prize_Problems

    The Millennium Prize Problems are seven well-known complex mathematical problems selected by the Clay Mathematics Institute in 2000. The Clay Institute has pledged a US $1 million prize for the first correct solution to each problem.

  6. Are Forever Stamps Worth the Investment? - AOL

    www.aol.com/forever-stamps-worth-investment...

    Starting In 2011, all new first-class, one-ounce commemorative stamps were created as Forever Stamps. Beginning in 2014, all new first-class, one-ounce stamps became Forever Stamps except for ...

  7. Semi-postal stamp - Wikipedia

    en.wikipedia.org/wiki/Semi-postal_stamp

    A semi-postal stamp or semipostal stamp, also known as a charity stamp, is a postage stamp issued to raise money for a particular purpose (such as a charitable cause) and sold at a premium over the postal value. [1] Typically the stamp shows two denominations separated by a plus sign, but in many cases the only denomination shown is for the ...

  8. US Regular Issues of 1922–1931 - Wikipedia

    en.wikipedia.org/wiki/US_Regular_Issues_of_1922...

    The Regular Issues of 1922–1931 were a series of 27 U.S. postage stamps issued for general everyday use by the U.S. Post Office. Unlike the definitives previously in use, which presented only a Washington or Franklin image, each of these definitive stamps depicted a different president or other subject, with Washington and Franklin each confined to a single denomination.

  9. Tariff-happy presidents are not what the Constitution envisioned

    www.aol.com/tariff-happy-presidents-not...

    Workers stand in front of coils of steel wire at a depot on the outskirts of Shanghai on March 26, 2018. - Qilai Shen/Bloomberg/Getty Images/File