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Arthur Knight Coin & Stamp

About Us

With over 56 years in the coin business, we specialize in coin identification and appraisals. We offer estate, antique/collectible, and jewelry identification and appraisals as well as jewelry repair services. We can Service all jewelry types including gold, silver, platinum, pearls, and some costume jewelry. Jewelry repair services range form cleanings to full restoration. We are life we members of the American Numismatic Association (Number 867) as well as members of the National Association of Watch and Clock Collectors since 1973. We carry a full line of coins, currency, stamps, jewelry, and collecting supplies.

Areas Served

Lake County, IN | Porter County, IN | LaPorte County, IN | Benton County, IN | Jasper County, IN | Will County, IL | Cook County, IL | Hobart, IN | Portage, IN | Valparaiso, IN | Crown Point, IN | Merrillville, IN | South Bend, IN | Chicago, IL | Griffith, IN

Our Professional Associations

What We Offer

Our Specialties include:

Our Services include:

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Testimonials

On 9/27/2025 scott hannagan had this to say:
friendly gentleman and have nice variety of coins and bouillon

On 9/18/2025 Shawn Reed had this to say:
Hey! I went in here and ol boy offered a very good selling price on gold rounds competitive with online juggernauts. Impressive 👌🏿🤙🏻

On 5/30/2025 Eric had this to say:
Great experience from start to finish. I purchased a 10 year anniversary set for my wife and couldn’t be more pleased. Emily was so helpful and knowledgeable about everything I asked. Art and Scott were also great. Testimonial written by Eric on this site.

On 5/30/2025 Eric had this to say:
Great experience from start to finish. I purchased a 10 year anniversary set for my wife and couldn’t be more pleased. Emily was so helpful and knowledgeable about everything I asked. Art and Scott were also great. Testimonial written by Eric on this site.

On 4/9/2025 Michael Raffin had this to say:
Great gentleman to do business with always the highest quality

Contact Us

Arthur Knight Coin & Stamp
237 Main St Hobart, IN 46342
Phone: (219) 942-4341

3rd and Main Street. Route 51

Where To Find Us

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Payment Types Accepted

Checks, American Express, Discover, MasterCard, Visa, Debit Cards

Our Hours

Holiday Hours May Vary. Please Call For Details.

Monday: 9:00 AM - 5:00 PM
Tuesday: 9:00 AM - 5:00 PM
Thursday: 9:00 AM - 5:00 PM
Friday: 9:00 AM - 5:00 PM
Saturday: 9:00 AM - 3:00 PM

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