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2009 Proof Humbert Commemorative 1 oz Gold Octagon NGC Gem Proof

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Struck during the earliest days of Californian statehood, the beautiful Humbert ingot is one the great treasures of numismatics, a fifty-dollar octagonal “slug” also known as the Quintuple Eagle and the Five-Eagle Piece. It bears the name of San Francisco’s U.S. Assayer, and is known for its historical importance and distinctive design. These qualities inspired a set of smaller commemorative coins minted in the late Aughts, coins whose designs are a tribute to the aesthetic of the originals, created using hand-engraved dies and showing a gorgeous cameo finish. The 2009 Proof Humbert Commemorative Octagon 1 oz Gold Coin is available from Provident Metals in a Gem Proof grade certified by the Numismatic Guaranty Company (NGC).


  • Comes in a tamper-proof plastic container, labeled with its NGC-certified grade!
  • Issued in 2009!
  • Comes from a limited original mintage of just over 1,000 coins!
  • Contains 1 Troy oz of .9999 pure gold.
  • Struck in a cameo finish using hand-crafted dies.
  • Obverse side features an eagle with outstretched wings
  • Reverse side carries a set of inscriptions.

The 2009 Proof Humbert Commemorative Octagon Gold Coin comes in tamper-proof plastic packaging and contains a Troy ounce of pure California gold. Its label shows NGC’s certification of a Gem Proof grade: a coin free of flaws save for a few hairline scratches outside of prime focal areas. Provident Metals fully insures every shipment against any chance of loss or damage.


The obverse side shows an eagle with its wings outstretched and a rock and shield behind it. It is surrounded by the lettering “UNITED STATES OF AMERICA” and “PURE CAL. GOLD.” At the coin’s outer rim are the inscriptions “AUGUSTUS HUMBERT,” “UNITED STATES ASSAYER OF GOLD,” “CALIFORNIA,” and “1852.”


The reverse side bears the inscriptions “HUMBERT GOLD INGOT,” “COMMEMORATIVE 2009,” “PURE CALIFORNIA GOLD,” and “1 OZ TROY 999.9 FINE,” with an abstract geometric pattern decorating the backdrop.


Coinage was a major part of the story of California’s emergence into American statehood in 1850: there was a crucial shortage of the currency needed to power an emerging economy. One of the major figures tasked with addressing that shortage was Augustus Humbert, who worked from a United States Assay Office established in San Francisco in 1850, the precursor to the eventual creation of the San Francisco Mint. A series of octagonal gold ingots or “slugs” bore his name in the years 1851 and 1852, and the commemorative coins struck in tribute to them also echo their design, created with dies hand-engraved in pure steel by the famous artist Ron Landis.


Drawn from a limited original mintage of just over a thousand coins, this dazzling collectible is in limited supply, and the Provident Metals team recommends ordering early to add one to your collection. Phone us at 800-313-3315, send us an e-mail, or chat with an agent live online.

How Does Free Shipping Work?

When the subtotal of your purchase, including applicable discounts, is $199 or more, you receive free shipping for your entire order. In order to receive free shipping on purchases of $199 or more, you must live within the 50 US states. For orders less than $199, a $9.95 shipping fee applies. All products are discreetly packaged and shipped with full insurance included.

When will my order ship?

Most Provident orders are shipped within one (1) business day of your payment clearing. Payments made via PayPal clear instantly. Bitcoin payments clear instantly once the transaction is confirmed. Credit Card and bank wire payments process within 1 business day. ACH and paper check payments take 3-5 business days. Once payments are processed, products are released to fulfillment for packaging and shipping.

Can I choose the method of shipping?

All orders of $199 or more that are eligible for free shipping are, by default, shipped via a carrier of our choice (USPS or UPS). Depending on the contents and size of your purchase, you may be able to upgrade to a specific carrier during checkout.

Will I need to sign for my package?

For those orders of $999.99 or less, there is no need to sign for your package. However, you may select the option to require a signature at delivery if you want. This can be chosen and paid for at checkout. All orders of $1000 or more require a signature to complete delivery.

What about International Orders?

Provident is only able to ship to addresses in any of the 50 US states. This includes P.O. boxes and APO addresses.

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Product Details

Year 2009
Condition Gem Proof
Grading Service NGC
Mint Mark Not Shown
Metals Purity .9999
Condition Proof
Edge Style Smooth
Product Series Humbert Octagon
Certificate of Authenticity No
Packaging NGC Plastic Slab
Metal Content 1 Troy Ounce
Shipping Orders over $199 Ship Free
Packaging Dimensions 3.4 x 2.4 x 0.4
Provident ID 3998712