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 last copper coins minted by the Royal Mint were minted in 1860. Since then, copper coins have been made from bronze which, depending on the year, has a copper content of â¦ anything between 92% and 98% copper. More recently, in 1992, the Royal Mint changed from bronze 1 Penny and 2 Pence coins, to more cost effective copper plated steel coins.