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  2. Certified Guaranty Company - Wikipedia

    en.wikipedia.org/wiki/Certified_Guaranty_Company

    Universal (blue) No Grade (NG) A comic book that is in such poor condition that CGC will not give it a grade, but merely verify that it is an actual original comic book. CGC will slab pages of a comic book in this manner. Conserved (blue/purple) A book that has specific repairs done to improve the structural integrity and long-term preservation.

  3. 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 ...

  4. List of used book conditions - Wikipedia

    en.wikipedia.org/wiki/List_of_used_book_conditions

    Ex-library copies must always be designated as such no matter what the condition of the book. Book club copies must always be designated as such no matter what the condition of the book. Binding copy describes a book in which the pages or leaves are perfect, but the binding is very bad, loose, off, or non-existent.

  5. Paper currency grading - Wikipedia

    en.wikipedia.org/wiki/Paper_currency_grading

    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. A banknotes grade is generally determined by crispness (Rigid, not limp paper), brightness, and depth of color.

  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. Several grading systems have been ...

  7. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  8. Printing and writing paper - Wikipedia

    en.wikipedia.org/wiki/Printing_and_writing_paper

    The history of paper is often attributed to the Han dynasty (25-220 AD) when Cai Lun, a Chinese court official and inventor, made paper sheets using the “bark of trees, remnants of hemp, rags of cloth, and fishing nets.” [5] Cai Lun's method of papermaking received praise during his time for offering a more convenient alternative to writing ...

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