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|Dimensions (mm)||not provided|
|Weight (carats)||not provided|
|Bi Metalic Coin|
BI METALIC COIN
Bimetallic coins are produced by over 105 countries today, although bi-metallic coins have been circulating for many years. The Roman Empire issued the coins on special occasions from the 1600s large medallions were made with a centre of bronze or copper and an outer ring of orichalcum, starting with the reign of Hadrian. The first bi-metallic coin to be widely used in the 20th century is the 500 Lira issued by the Italian government in 1982.
The silver-centre cent pattern produced by the United States in 1792 is another example. France , with a 10 franc coin and Thailand , with a 10 baht, issued bi-metallic coins for circulation in 1988.India has released 10 Rupee bimetallic coins in 2009 that contains dateline of 2006 (minted at Noida). As well as circulating coins, where they are generally restricted to high denomination coins, bi-metallic coins are often used in commemorative issues, they are used as a way of securing against Coin counterfeiting. The manufacturing process is similar to that of ordinary coins, except that two blanks (the inner and the outer) are struck at the same time, deforming the separate blanks sufficiently to hold them together.
Mint State Perfect Un-circulated (MS-70) Mint state un-circulated coin in perfect condition, showing no traces of wear, and no blemishes, scratches, handling or contact with other coins. The best quality coin possible.
Choice (Gem) Un-circulated (MS-65-69) An above average un-circulated coin which retains all of the original mint brilliance or luster, and has a very few contact marks on the surface or rim, which are barely noticeable.
Brilliant Un-circulated or BU (MS-60-64) An un-circulated coin having no traces of wear but which has a few contact marks, surface spotting or lacks some of its original luster.
Choice About Un-circulated (AU-55 & 58)
A coin having very light wear on only the highest points of the design but no other defects and with most of its luster remaining.
About Un-circulated (AU-50) Coin has evidence of light wear on many of the high points but at least half of the mint luster is still present.
Extremely Fine (EF-40)
The coin design is lightly worn in most places but all the features remain sharp and well defined.
Choice Very Fine (VF-30)
Light even wear on the surface and highest parts of the design but most major features and the lettering are sharp.
Very Fine (VF-20)
Minor features such as some of the finer hair detail, feathers, etc. will be moderately worn. Shows moderate wear on high points of design. All major details are clear.
Moderate to considerable even wear over most features and the lettering. A lot of the details are worn through but you can still see a good deal of the design.
Very Good (VG-8)
The entire design is weak, but a few details are visible. Well worn throughout but coin rims still visible.
Heavily worn but design and legend still visible although quite weak in spots. Many details are gone.
About Good (AG-3)
Very heavily worn with portions of lettering, date and legends worn smooth and barely discernable.
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