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| Coin characteristics |
OBVERSE
Mexico´s official coat of arms. |
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| obverse |
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REVERSE
Allusive reason to an event, year of minting, symbol of Casa de Moneda
and face value or the amount of contained fine metal specification in
each piece. |
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| reverse |
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| The main
difference between a coin and a medal is the use of the Mexican official
coat of arms at the obverse of the coin. Also, coins portray the facial
value or the fine metal content, while a medal lacks one of these elements.
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Coins: face value, official coat of arms and fine metal content.
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| Quality types |
BRILLIANT UNCIRCULATED
Coin quality in which the coin´s field must be clean, with the proper
brightness of a normal minting and without marks.
A bullion quality example is the "Centenario", fineness .900
in pure gold. |
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| reverse |
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PROOF
Quality of a coin in which its field must be clean, with brightness similar
to a mirror, without spots and with the reliefs correctly delineated.
The proof quality is exemplified with the Commemorative Coin "Lobo
Mexicano" (Mexican Wolf ) elaborated in silver fineness 0.999. |
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| reverse |
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| Storage, handling, and taking care of the coins |
Oxidation of the pieces in Brilliant Uncirculated quality.
In case of spots in the coins, they can be cleanned with a special liquid.
Submerge the coin in the liquid for about 10 seconds, or follow the liquid´s
instructive and remove the piece. Rinse the coin throughly with enough
water and dry it perfectly.
Coin Oxidation in Proof quality.
First, the coins must be mantained within its capsule at all times.
Verify that the capsule is not broken.
The coin must not have any signal of being touched.
Avoid improper handling that could fracture the package and may damage
the coin.
Do not leave the piece exposed directly to the sun.
Keep the piece in dry places avoiding humidity.
In case you need to manipulate the piece, use white cotton gloves and
hold it by the sides.
Once the coin starts to rust, it can not be cleaned, otherwise it will
get damaged.
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