The two types of GBS disease in babies are: 1  Early-onset infections, which are more common and happen during the first week of life. They usually cause problems right away, within 24 hours after birth. 2  Late-onset infections, which develop weeks to months after birth. This type of GBS disease is not well understood.
Current (1983-present) Â£1 coins are made of nickel-brass, an alloy containing 70% copper, 24.5% zinc, and 5.5% nickel. There is also a Â£1 sovereign coin which was once minted for circulation and is now made as a bullion coin.xtract from Wikipedia  The circulating British one pound (Â£1) coin is minted from a nickel-brass alloy of approximately 70% copper, 24.5% zinc, and 5.5% nickel.  More deta â¦ ils about this coin on the related link below.
The Abraham Lincoln Penny was first composed of ninety five percent copper and five percent tin and zinc, which was later changed in 1943 when a war time cent needed to be produced, as the metal needed to be put to better use in the war. The coin was then made of low grade carbon steel with a 0.127mm zinc coating. After many revisions the coin was finally changed to a copper plated zinc composition in 1982. The current Lincoln penny weighs 2.5 grams.