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Ounce Gram
Gold £1222.82 £39.315
Silver £13.911 £0.4472

Updated 02:04 23/08/19

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Graded Coins


Graded Coins are rare or proof coins that have been inspected by the top experts in the world of numismatics to assess their quality and assure collectors that what they are buying is the very best coinage.

Many of these coins will be Britannia designs or Sovereign designs due to the popularity and history of British coins.

Customers can call our Support Team on 0121 634 8060 or email [email protected] for further information.


Product Prices (Inc VAT)
1834 Shilling CGS EF60 {03-17-1834A}

1834 Shilling CGS EF60 {03-17-1834A}

In Stock

from £212.00 Buy
1916 Gold Sovereign - King George V - London NGC MS62

1916 Gold Sovereign - King George V - London NGC MS62

In Stock

from £551.40 Buy
1916 Gold Sovereign - King George V - London NGC MS63

1916 Gold Sovereign - King George V - London NGC MS63

In Stock

from £571.40 Buy
1916 Gold Sovereign - King George V - London NGC MS64

1916 Gold Sovereign - King George V - London NGC MS64

In Stock

from £611.40 Buy
1995 Half Ounce Proof Britannia Gold Coin NGC PF69

1995 Half Ounce Proof Britannia Gold Coin NGC PF69

In Stock

from £952.30 Buy
1993 Half Ounce Proof Britannia Gold Coin NGC PF69

1993 Half Ounce Proof Britannia Gold Coin NGC PF69

In Stock

from £952.30 Buy
2008 Half Ounce Proof Britannia Gold Coin NGC PF69

2008 Half Ounce Proof Britannia Gold Coin NGC PF69

In Stock

from £952.30 Buy
2002 Half Ounce Proof Britannia Gold Coin NGC PF69

2002 Half Ounce Proof Britannia Gold Coin NGC PF69

In Stock

from £952.30 Buy
2000 Half Ounce Proof Britannia Gold Coin NGC PF69

2000 Half Ounce Proof Britannia Gold Coin NGC PF69

In Stock

from £952.30 Buy
1825 Gold Sovereign - George IV Bare Head NGC AU Details

1825 Gold Sovereign - George IV Bare Head NGC AU Details

In Stock

from £963.40 Buy
1885 Gold Sovereign - Victoria Young Head - London NGC AU58

1885 Gold Sovereign - Victoria Young Head - London NGC AU58

In Stock

from £1,014 Buy
1988 Half Ounce Proof Britannia Gold Coin NGC PF70

1988 Half Ounce Proof Britannia Gold Coin NGC PF70

In Stock

from £1,014 Buy
1987 Half Ounce Proof Britannia Gold Coin NGC PF70

1987 Half Ounce Proof Britannia Gold Coin NGC PF70

In Stock

from £1,014 Buy
2006 Half Ounce Proof Britannia Gold Coin NGC PF70

2006 Half Ounce Proof Britannia Gold Coin NGC PF70

In Stock

from £1,014 Buy
2003 Half Ounce Proof Britannia Gold Coin NGC PF70

2003 Half Ounce Proof Britannia Gold Coin NGC PF70

In Stock

from £1,014 Buy
1852 Gold Sovereign - Victoria Young Head Shield Back- London NGC AU58

1852 Gold Sovereign - Victoria Young Head Shield Back- London NGC AU58

In Stock

from £1,139 Buy
1829 Gold Sovereign - George IV Bare Head NGC XF45

1829 Gold Sovereign - George IV Bare Head NGC XF45

In Stock

from £1,322 Buy
1937  Proof Half Sovereign PCGS PF63 {03-0-1937}

1937 Proof Half Sovereign PCGS PF63 {03-0-1937}

In Stock

from £1,395 Buy
1853 Gold Sovereign - Victoria Young Head Shield Back - London NGC MS62

1853 Gold Sovereign - Victoria Young Head Shield Back - London NGC MS62

In Stock

from £1,589 Buy
1837 Gold Sovereign - William IV NGC AU50

1837 Gold Sovereign - William IV NGC AU50

In Stock

from £1,789 Buy
1887 - Victoria Jubilee Gold Five Pound £5 Gold Coin NGC AU55

1887 - Victoria Jubilee Gold Five Pound £5 Gold Coin NGC AU55

In Stock

from £2,144 Buy
1887 - Victoria Jubilee Gold Five Pound £5 Gold Coin NGC AU58

1887 - Victoria Jubilee Gold Five Pound £5 Gold Coin NGC AU58

In Stock

from £2,344 Buy
1887 - Victoria Jubilee Gold Five Pound £5 Gold Coin NGC MS60

1887 - Victoria Jubilee Gold Five Pound £5 Gold Coin NGC MS60

In Stock

from £2,819 Buy
1887 - Victoria Jubilee Gold Five Pound £5 Gold Coin NGC MS61

1887 - Victoria Jubilee Gold Five Pound £5 Gold Coin NGC MS61

In Stock

from £2,994 Buy

Who grades these coins?

We use the two biggest grading services to assess our best coins: the Numismatic Guaranty Corporation (NGC) and the Professional Coin Grading Service (PCGS).

The NGC are an American firm based in Florida. They specialise in coin certification for circulated and uncirculated coins from all over the world. The company was founded in 1987 and since then have become the world's largest certification group, having inspected and graded more than 41 million coins. The NGC is affiliated with the American Numismatics Association and the Professional Numismatists Guild.

The PCGS are also American. The organisation started life two years earlier in 1985 in California. The company filled the gap in the market for coin certification. They were experts that knew that while the grading system for coins was accurate, it needed to be enforced correctly, and so they recruited likeminded experts to operate in this market niche.

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How are the coins assessed?

A team of 30+ permanent and freelance staff are used by the NGC to match coins to documentation and historical recordings from across the globe, whether documents directly from a specific mint or records from numismatists and/or collectors at the time.

The experts will cross-check these coins with databases of images, as well as ensuring they are the correct weight, have the right dimensions, are a true purity of gold or silver - just to name a few aspects of the task.

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How are the coins ranked?

The NGC and other inspectors use the Sheldon coin grading scale for their certification. This scale goes from 1 (Poor) to 70 (Perfect). The following codes identify coin quality:

  • PF or PR = Proof (60 - 70)
  • MS = Mint state (60 - 70)
  • Almost or About Uncirculated (50 - 58)
  • Fine (12 - 45)
  • Good (3 - 10)
  • Fair (2)
  • Poor (1)

Most of the coins at BullionByPost are PF69 or PF70. PF70 is the best of the best and these coins are flawless at 5x magnification. PF69 is fractionally behind this grade in quality, with the most miniscule of imperfections, but still offering a near flawless coin.

From time to time we also stock mint state coins, indicated by the MS tag. These are not flawless or immaculate, typically due to their age, but they are uncirculated and rare. As such we have these coins graded by the NGC to authenticate their rarity and prove they are indeed the coin we say they are.

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Why does their grading add value?

Such is the level of trust in the NGC's knowledge and expertise that many collectors are willing to pay more to ensure they get a coin which has been graded by them. Customers know that they are getting a world class quality collectable if they buy coins approved by the NGC; a coin that hasn't been damaged by wear and tear from the elements or handling.