H NGC Guarantee (
https://www.ngccoin.com/coin-grading/ngc-guarantee/) εχει γραφτει απο δικηγορους και αφηνει πολλα περιθωρια για να μην ισχυει. Ενα σημαντικο (γι αυτους) πλεονεκτημα ειναι το
8. Clerical or “Mechanical” Errors. A clerical (“mechanical”) error occurs when a Coin is encapsulated with a label that bears a grade and/or description that a collector familiar with the NGC grading system and who performed a thorough inspection of both the NGC-certified Coin and the NGC certification label could determine could not be accurate. It is the duty of the buyer and seller of a Coin to examine such Coin for a clerical error to return such Coins for correction when warranted. The NGC Guarantee does not apply when NGC determines, in its sole reasonable discretion, that a clerical error has resulted in the Coin having an incorrect grade or description. If requested, NGC will remedy any clerical error free of charge by updating the encapsulation to show an appropriate label.
NGC certification labels with incorrect dates, mintmarks, denominations and Coin types (all of which should be obvious to someone who performs an inspection of the Coin and label) are considered clerical errors. Examples of such errors include, but are not limited to, the following:
A Coin is labeled a 1955 Doubled Die Lincoln Cent, when the Coin has no doubling.
A Coin label description references a 1916 Standing Liberty Quarter, when the Coin is a 1916 Barber Quarter.
A Coin is identified as a Proof, when it is a business strike and the types are readily distinguishable from each other.
A Coin is described as an 1881-O Morgan Dollar, when it is an 1881-S Morgan Dollar and the mintmark was improperly identified on the label.
A Coin is graded MS 68 when it should have been graded AU 58, a clerical error with respect to grade that would be obvious to a collector.
οποτε μπορουν να σου πουν οτι εγινε "clerical error" και να μην σε αποζημιωσουν καθολου.
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