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Karl's Coins

"Buying/Selling"

About Us

Karl's Coins is a trusted coin dealer located in New Berlin, WI, proudly serving collectors and investors throughout Milwaukee and Southeast Wisconsin. We specialize in buying, selling, and trading a wide range of items including U.S. coins, sterling silver, gold, silver bullion, and scrap gold. Whether you're looking to expand your collection, liquidate assets, or simply explore the world of numismatics, our knowledgeable team is here to help with honest service and competitive pricing.

Areas Served

New Berlin, WI | Milwaukee, WI | Southeast Wisconsin | Racine County, IL

What We Offer

Our Specialties include:

Buying and Selling Gold and Silver US Coins

Our Services include:

Karl’s Coins is your trusted destination for buying, selling, and trading coins with confidence. Whether you're a seasoned collector or just starting your numismatic journey, Karl’s Coins offers a welcoming space where history and value meet. They specialize in purchasing rare and collectible coins at fair market prices, helping sellers turn their treasures into cash. For buyers, their curated selection includes everything from vintage U.S. currency to international finds, each piece carefully evaluated for authenticity and quality. And if you're looking to trade, Karl’s Coins makes it easy to upgrade or diversify your collection through knowledgeable, honest exchanges. With a passion for coins and a commitment to customer satisfaction, Karl’s Coins is more than a shop—it’s a community for coin enthusiasts.

Our Products include:

Coins
Sterling and Scrap Gold
Scrap Jewelry

Testimonials

On 8/15/2025 Tyler Pulchinski had this to say:
Is my go to coin shop

On 5/9/2025 Rodrigo Belo had this to say:
(Translated by Google) Great service, quality parts.0 (Original) Ótimo atendimento, peças de Qualidade.0

On 7/9/2024 John B. had this to say:
We brought in a largely inherited coin collection. Owner was very knowledgeable, patient, explained why they were or weren't valuable, gave us what seemed a fair price on the spot.

On 6/29/2024 Mahmood Bilal had this to say:
Fair and pleasant to deal with

On 2/4/2024 Justin Sikorski had this to say:
Karl is a great coin dealer/guy!! Great selection and great prices.! Will be my new precious metals dealer.

Contact Us

Karl's Coins
1627 S. 124th St. New Berlin, WI 53151
Phone: (414) 315-9755
Email: kgress1@wi.rr.com

Across from Greenfield Park

Where To Find Us

Our Hours

Holiday Hours May Vary. Please Call For Details.

Monday: 10:00 AM - 2:00 PM
Tuesday: 10:00 AM - 2:00 PM
Wednesday: 10:00 AM - 2:00 PM
Thursday: 10:00 AM - 2:00 PM
Friday: 10:00 AM - 2:00 PM
Saturday: 11:00 AM - 3:00 PM

News

Got some old jewelry lying around? Turn it into cash! At Karl's Coins, we buy, sell, and trade scrap gold and sterling jewelry. With 40 years of experience, we guarantee honest and fair transactions. Come see us!

FAQ

What types of items do you buy and sell?

We buy, sell, and trade U.S. coins, sterling silver, gold, silver bullion, and scrap gold. Whether you're a collector or investor, we offer a wide selection and fair pricing.

Do I need an appointment to visit Karl's Coins?

No appointment is necessary — feel free to stop by during business hours. For specific inquiries or large collections, we recommend calling ahead.

How do I know if my coins or precious metals are valuable?

Our experienced team will evaluate your items on-site and provide a free, honest appraisal based on current market values.

Do you offer services for coin collectors?

Yes! We work with both new and seasoned collectors, offering guidance, rare finds, and opportunities to expand or refine your collection.

Are your prices competitive with online dealers?

Absolutely. We pride ourselves on offering fair, transparent pricing and the added benefit of in-person service and immediate transactions.