Coin surface is one of five main components that are used to determine the condition, state or grade of a coin. When it comes to coin surface, the coin surface is normally divided in grade sensitive and non-grade sensitive areas (or parts).

Grade sensitive areas are those areas on a coin’s surface where imperfections such as “hairlines” (small hardly visible lines) and scratches are more visible than on other areas of the coin. Needless to say, the more damage a coin has on its grade sensitive areas or parts, the greater the negative impact on a coin’s grading.

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