Bulk Custom Challenge Coins – Premium Solid Brass 3D Minting
Premium Custom Challenge Coins Built To Be Carried
When you order custom challenge coins in bulk, quality matters.
At Gray Water Ops®, we manufacture solid brass, die-struck challenge coins with true 2D and 3D high-relief detail. These are not lightweight zinc novelty coins. These are heavy, precision-minted commemorative coins designed to represent service, achievement, loyalty, and brand pride.
Whether you're ordering for military units, law enforcement, corporate teams, nonprofit events, or executive gifting, we build coins that stand out the moment they hit your hand.
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Most low-cost coin companies use zinc alloy to reduce price.
We mint in solid brass.
Benefits of solid brass challenge coins:
Sharper 3D detail
Heavier, premium feel
Cleaner die-struck edges
Longer-lasting finish
Professional appearance
If your coin represents your organization, it should feel substantial.
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Our custom coins can include:
Multi-level 3D sculpted metal
Deep recessed enamel fills
Raised 2D detail
Diamond cut edges
Special shapes
Laser engraved edges
Multiple metal finishes (15 available)
We design every coin from a straight-on perspective to maximize depth and clarity in metal.
High-relief coins command attention and elevate your design.
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Minimum order: 100 coins
We specialize in bulk production for:
Military units
Police & Fire departments
Veteran organizations
Corporate recognition programs
Promotional campaigns
Nonprofits & fundraising events
Executive gifts
Anniversary commemorations
Whether you need 100 or 5,000 coins, we manage your production with precision.
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Step 1 – Share Your Idea
Send us your logo, concept, or rough sketch.
Step 2 – Approve Your 3D Artwork
We create a production-ready digital proof showing metal depth and enamel areas.
Step 3 - Payment
When you approve the final art, an invoice will be sent for payment. Once the invoice is paid your coins will go into the production queue.
Step 4 – Minting & Delivery
Minting takes between 30-45 days for quality hand made coins. We prioritize quality over speed. When your coins are finished the will be shipped directly to you.
No guesswork. No surprises.
Available Finishes
Choose from 15 premium metal finishes including:
Antique Brass, nickel, gold, copper, or silver metal plating
Shiny Gold, silver, copper, chrome, or brass
Matte Gold, nickel, or copper
Black Nickel
Dyed Black
Finish selection can dramatically change the look and feel of your coin. We help you choose the best finish for your design.
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We discourage cluttered artwork.
The best challenge coins focus on:
Strong central imagery
Bold raised metal
Clean enamel sections
Depth that creates shadow and contrast
We optimize every design for metal, not just digital art.
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Standard 2" custom challenge coin:
One-time die fee
Per-coin pricing based on quantity
Discounts at higher volume levels
For an exact quote, tell us:
Coin size
Estimated quantity
Any special edge or finish options
Numbering or laser edge engraving
Request a custom quote below.
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Gray Water Ops® is a veteran-owned company with over 30 years of challenge coin design experience.
We have produced custom coins for:
Military units
Federal agencies
Law enforcement departments
Corporate brands
Nonprofit organizations
Our focus is quality craftsmanship and long-term relationships.
Start Your Bulk Custom Coin Project
If you’re ready to create a premium custom challenge coin in bulk, we’re ready to help.
Tell us your quantity, timeline, and concept, and we’ll guide you through the process.
Request your custom quote below.
Gray Water Ops® - We Design Original, One Of A Kind, Custom Challenge Coins
Welcome to Gray Water Ops®, the home of exceptional custom challenge coins that leave a lasting impression. Our uniquely designed, high-quality challenge coins are more than just a token; they are a tangible symbol of achievement, a commemorative piece of history, and a unique way to represent your brand.
Frequently Asked Questions
Why should I consider custom challenge coins?
Custom challenge coins are a unique and memorable way to recognize achievements, promote your brand, or commemorate an event. They're tangible, durable, and offer a sense of prestige that other promotional items cannot match.
What makes Gray Water Ops' Smart Coins™ unique?
Our Smart Coin® is not just a beautifully designed and high-quality challenge coin. They also incorporate cutting-edge technology, enabling them to link to digital content, making them a powerful promotional tool. Gray Water Ops® patented the idea in 2013 and the patent was approved and published in 2015. Gray Water Ops® is the exclusive manufacture for Smart Coin®.
How do I start my custom challenge coin design with Gray Water Ops®?
Starting your custom challenge coin journey with us is easy. Contact our team with your ideas, and we'll work with you to create a design that perfectly encapsulates your vision.
Experience the Gray Water Ops® difference today. Let us help you create something extraordinary with our custom Smart Coin®.
We design and mint some of the best custom challenge coins available!
Thicker, heavier and quite frankly, a better challenge coin! Gray Water Ops® is known worldwide for our coin designs and our quality. From minimum orders of 100 coins to corporate orders of 350,000 coins, we’ve done it. Let our award winning graphic artist design your next coin and take your coins to the next level with a custom design from Gray Water Ops®.
The History of Challenge Coins
Challenge coins have a rich history dating back to World War I. Originally used by military organizations to boost morale and camaraderie, these coins have evolved into a symbol of honor, dedication, and accomplishment across diverse sectors. Today, they are utilized by corporations, non-profits, clubs, and even individuals as a unique way to celebrate achievements, commemorate events, or promote a brand.
Why Choose Gray Water Ops® Smart Coin®?
When it comes to custom challenge coins, Gray Water Ops® stands out from the competition. Our Smart Coin® are not just any challenge coins; they're meticulously crafted pieces of art that offer a tactile experience unlike any other. Holding a Smart Coin® in your hand, you can feel the 3D detail, the weight, and the texture. It's a tactile, sensory experience that is as rewarding as the recognition the coin represents.
Meet Artist Keith Hanshaw
We owe much of our success to the unparalleled talent of our resident artist, Keith Hanshaw. Since 1995, Keith has been designing custom challenge coins, bringing a unique blend of creativity and craftsmanship to every piece. His designs are renowned worldwide for their distinctiveness and quality. Each Smart Coin® he creates is a solid, heavy, thick challenge coin that truly stands out, reflecting the pride of the person giving it and inspiring appreciation from the person receiving it.
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