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 Koreans, Japanese, and Vietnamese all cast their own copper cash in the latter part of the second millennium similar to those used by China. The last Chinese cash coins were struck, not cast, in the reign of the Qing Xuantong Emperor shortly before the fall of the Empire in 1911.The coin continued to be used unofficially in China until the mid-20th century. Vietnamese cash continued to be cast up until 1933.raditionally, Chinese cash coins were cast in copper, brass or iron. In the mid-19th century, the coins were made of 3 parts copper and 2 parts lead. Cast silver coins were periodically produced but are considerably rarer.