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  2. Professional Coin Grading Service - Wikipedia

    en.wikipedia.org/wiki/Professional_Coin_Grading...

    Printed on the front of the blue paper insert is the coin's type, denomination, grade, attribution, pedigree (if any), serial number, Universal Product Code (UPC), and other pertinent information. [11] [12] First-generation PCGS coin holders are smaller and lack the raised stackable edges of later issues. Their insert was printed on plain white ...

  3. Coin slab - Wikipedia

    en.wikipedia.org/wiki/Coin_slab

    Reverse of PCGS coin slab with hologram in upper right corner. Slabbing coins is a practice which began in 1986. The grading of coins was a way to remove coin grading controversies by having a third party certify the coin's condition. [1] The earliest coin slabs introduced by PCGS were in use from 1986-1989.

  4. Third-party grading - Wikipedia

    en.wikipedia.org/wiki/Third-party_grading

    Third-party grading (TPG) refers to coin grading & banknote grading authentication, attribution, and encapsulation by independent certification services.. These services will, for a tiered fee depending on the value of the coin, "slab" a coin and assign a grade of 1–70 on the Sheldon grading system, with 1 being the lowest grade, with only faint details visible to 70, a practically perfect ...

  5. Certified Acceptance Corporation - Wikipedia

    en.wikipedia.org/wiki/Certified_Acceptance...

    To deter the counterfeiting of its stickers, CAC offers a free Verification Search service on its website: a user inputs a PCGS or NGC coin slab's serial number to confirm its coin's CAC certification. CAC's website maintains a free Population Report of all U.S. coin issues for which it has issued stickers.

  6. Coin grading - Wikipedia

    en.wikipedia.org/wiki/Coin_grading

    Coin grading [1] is the process of determining the grade or condition of a coin, one of the key factors in determining its collectible value. A coin's grade is generally determined by six criteria: strike, preservation, luster, color, attractiveness, and occasionally the country/state in which it was minted.

  7. Numismatic Guaranty Company - Wikipedia

    en.wikipedia.org/wiki/Numismatic_Guaranty_Company

    NGC Cert Lookup verifies all NGC-certified coins and helps combat holder counterfeiting. Using the label serial number, NGC will reveal a coin's date, denomination, grade, photo (if any), and pricing and Census info. NGC Coin Explorer lists key info about many coin issues, such as mintages and values. [15]

  8. Paper currency grading - Wikipedia

    en.wikipedia.org/wiki/Paper_currency_grading

    1928 United States ten dollar gold certificate PMG graded 55 EPQ. Paper currency grading is the process of determining the grade or condition of a bank note, one of the key factors in determining its collectible value.

  9. Sheldon coin grading scale - Wikipedia

    en.wikipedia.org/wiki/Sheldon_coin_grading_scale

    In modern-day United States numismatics, collectors, coin dealers, and third-party grading services grade mint state coins using a number from 60 to 70 inclusive, with 70 representing a perfect coin with no visible blemishes.