Brass/Cupronickel Bimetallic
28.4 mm 12.0 g Decimal Two Pounds (Circulation issue)
Silver (or Cupronickel) ...
Cupronickel does not corrode in seawater, because its electronegativity is adjusted to be neutral with regard to seawater.
The cupronickel planchets are softened by annealing in a special furnace, then they are cleaned in large rotating barrels which contain a chemical solution that washes and polishes them, and then they are dried.
Inner: Cupronickel
Outer: Nickel brass
Six alternating segments, three smooth, three finely ribbed
2 euros / E2.00 ...
Pula - A cupronickel coin, paper money and monetary unit of Botswana, equal to 100 thebe. It replaced the rand in 1976.
[Botswana]
Puttun ...
In 1937, the Chi Tung Bank issued copper 5 li and 1 fen, and cupronickel 5 fen and 1 and 2 jiao in East Hebei. The Mengchiang Bank issued cupronickel 5 jiao in northern China in 1938.
Yoshihito, who succeeded Mutsuhito in 1912 introduced the bronze five rin (value half sen) to the coinage and also made more use of cupro-nickel. Under the present emperor, Hirohito, cupronickel has again been used and aluminium too is used for the ...
Poongsan casts over 50 different types of coin blank materials - from brass, nickel sil-ver, cupronickel, and aluminum bronze to other special copper alloys.
 See also: Nickel, Coin, Silver, Denomination, Revers
  
|
RSS
