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.
A penny is not what you think. Indeed, from 1783 to 1837, a cent was pure copper. But newer pennies are made mostly of zinc. Here's the history, according to the U.S. Mint: 1  From 1837 to 1857, the cent was made of bronze (95 percent copper, and five percent tin and zinc). 2  From 1857, the cent was 88 percent copper and 12 percent nickel, giving the coin a whitish appearance.