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A Lifelong Collector with a Passion for Value
Armand Keywell’s journey into the world of coins and collectibles began in 2007 with a Mercury dime found in a Coinstar machine—a seemingly small discovery that ignited a lifelong passion. What started as a childhood curiosity quickly evolved into a full-fledged business fueled by decades of hands-on experience, countless coin shows, and a genuine love for numismatics.
Today, Armand is the founder of Keywell Collectibles and creator of Mafia Metals, a custom silver brand known for unique hand-poured designs. Whether he’s evaluating inherited collections, appraising rare currency, or crafting custom silver pours, Armand brings unmatched dedication, transparency, and a collector’s mindset to every transaction.
His goal is simple: to help clients nationwide unlock the stories—and the value—within their collections.
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Built on Passion, Trust, and Craftsmanship
At Keywell Collectibles, every appraisal, sale, and custom pour reflects a commitment to expertise, integrity, and personalized service. These values are the foundation of everything we do—from evaluating coins to creating one-of-a-kind silver pieces.

Authentic Expertise
Years of hands-on experience and collector insight ensure accurate evaluations and honest guidance.

Collector-Focused
We treat every collection like our own, helping clients preserve history, honor value, and make informed decisions.

Artisan Craft
Through Mafia Metals, we transform silver into custom-poured art—one bar at a time, all by hand.
Armand’s Story Spotlighted in The Jewish News
When it comes to coins, collectibles, and custom silver pours, Armand Keywell’s reputation speaks for itself—now even in print. The Jewish News sat down with Armand at the Michigan Antique Festival to learn how a Mercury dime found in a Coinstar machine sparked a lifelong passion that became Keywell Collectibles. The article explores his journey, dedication, and the personal approach he brings to every appraisal and transaction.
“It started when I found a Mercury dime in a Coinstar machine. That’s when I knew coins held stories worth chasing.”

Introducing Mafia Metals: Custom Silver with Character
Mafia Metals is the artisan silver division of Keywell Collectibles, created by Armand Keywell to offer collectors something truly original. Each piece is custom poured by hand, using quality silver and crafted in small batches—no mass production, no shortcuts, just fire, precision, and personality. From rugged bars to detailed poured shapes, every item carries the mark of authenticity and creative edge that sets Mafia Metals apart.
Collectors across the country choose Mafia Metals not just for its standout appearance, but for the story behind every pour. Armand personally oversees each step of the process—from sourcing silver bullion to heating, molding, stamping, and polishing—ensuring no two pieces are ever the same. Whether you’re adding to your investment stack or seeking a one-of-a-kind gift, Mafia Metals delivers handcrafted silver that’s as unique as the collector holding it.
Real Stories from Collectors and Sellers Nationwide
Justin M.
Google ReviewMartin A.
Google ReviewCharles W.
Google ReviewG. C.
Google ReviewInsights, Answers, and Collecting Tips That Matter
From beginner questions to expert advice, our articles offer practical knowledge on coins, currency, and collectibles. Stay informed, avoid costly mistakes, and get the most out of your collecting journey.