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2. Coin slab - Wikipedia

   en.wikipedia.org/wiki/Coin_slab

   Coin slab is a type of holder for a coin. Slabbed coins are typically from one of the coin grading companies. The practice of sending coins to third-party grading companies and then "slabbing" them began in 1986. When a grading company grades the coin it is sealed in a tamper proof slab with a barcode and a hologram. To prevent counterfeiting ...

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. Coin folder - Wikipedia

   en.wikipedia.org/wiki/Coin_folder

   Protection for coins was historically only available to affluent collectors who stored their coins in custom cabinets. [1] The first attempt at creating an album or folder like structure for coins came in 1929, when The Beistle Company began marketing coin albums. These albums were made of heavy cardstock covered in paper on both sides, with ...

5. Numismatic Guaranty Company - Wikipedia

   en.wikipedia.org/wiki/Numismatic_Guaranty_Company

   Since 2009, a scratch-resistant holder coating, similar to that used on eyeglass lenses, has been employed. NGC offers Oversize holders for coins larger than 45 mm and up to 120 mm, and Mega holders for coins larger than 120 mm and up to 180 mm. [12] NGC's label lists a coin's denomination, variety, grade, pedigree, serial number, and other info.

6. 4 Rare Coins Expected To Lose Their Value Before the End of 2024

   www.aol.com/4-rare-coins-expected-lose-110038035...

   He pointed to the example of a Carson City uncirculated silver dollar in GSA packaging — a coin that sold for approximately $175 wholesale before the pandemic, but spiked to upwards of $300 ...

7. Coin storage - Wikipedia

   en.wikipedia.org/wiki/Coin_storage

   An 1886-S Gold eagle in a PCGS plastic coin slab A 1/10th troy ounce American Gold Eagle in a cardboard '2x2' flip, secured with staples A coin folder offers no protection from the elements and is likely to damage coins when pressed in or popped out. Coin collectors have various options for storing their coin collections. The various options ...