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www.acs.org/content/dam/acsorg/education/resources/highschool/chemmatters/articlesbytopic/metals%20and%20nonmetals/chemmatters-april2007-coins.pdf

originally made from gold, silver, and copper, ... other silver coins such as quarters. Brass is ... the appearance of the more valuable metals.

bangordailynews.com/2020/10/22/news/central-maine/man-finds-222-year-old-penny-outside-maine-church

Oct 22, 2020 ... The copper penny, dated 1798, comes from the first decade of ... 222-year-old coin under a few inches of soil outside a church. The copper ...

www.coleccionistasdemonedas.com/en/valuable-coins-to-collect/pennies-that-are-worth-money

These steel coins can be sold to American coin collectors for values ranging between $77,000 – $100,000. What quarters are worth money? 2021 Updated List. Learn ...

rarest.org/stuff/pennies

Feb 18, 2019 ... The U.S. Mint produced the country's first official coins in 1793 and ... In general, the pennies on this list are so rare because very few ...

fox8.com/news/oklahoma-coin-collector-offering-10000-for-rare-penny

Apr 26, 2019 ... There were eight of these pennies made at the Denver mint and he already has the other seven. The last year pennies were made from copper was ...

www.iheart.com/content/2020-03-18-pennies-worth-thousands-of-dollars-could-be-in-your-pocket-right-now

Mar 18, 2020 ... Here are some of the most valuable coins you might actually have ... help preserve copper for World War II, the U.S. Mint made pennies from ...

moneyinc.com/the-five-most-expensive-pennies-ever-sold-at-auction

The coin was in uncirculated condition, which made it extremely rare. ... The amount of copper that was being used was worth more than a cent because the ...

abcnews.go.com/Business/laws-change-penny-hoarders-cash-thousands-dollars/story?id=15076522

Dec 2, 2011 ... Some penny obsessives believe the key to big money is in the copper coin. Dec. 2, 2011— -- Joe Henry is on a first name basis with bank ...

www.jmbullion.com/coin-info/cents/indian-head-pennies

This coin differed from traditional pennies in that it was comprised of less than 90% copper. Unfortunately, these coins quickly experienced design problems and ...

www.treasury.gov/about/education/pages/lincoln-cent.aspx

Jan 4, 2011 ... At the time of World War II, the one-cent coin was composed of 95 percent copper and 5 percent zinc. These metals were denied to the Mint for ...

moneterare.net/en/american-coins/most-valuable-pennies

What makes it rare is the fact that it was minted in steel instead of normal copper. In fact, from 1944 onwards we have returned to the classic use of copper.