About Big Island Coin & Stamp

Big Island Coin & Stamp is a trusted coin dealer in Hilo, HI offering the best buying prices for precious metals, coins, and jewelry with a guarantee you'll receive top value for your collection. They buy and sell rare coins, stamps, paper money, and jewelry from around the world while providing FREE appraisals to help you understand the worth of your precious pieces. Located at 148 Mamo St., this numismatics specialist is committed to fair pricing and expert service for all your coin and collectibles needs.

Active ListingLast verified: February 26, 2026

Imported listing assembled from public business information and numismatic directory sources. Some business details may have changed. Confirm directly with the dealer or claim this profile to update it.

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Reviews & Ratings

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3.8

★★★☆☆

8 reviews · 3.8 (41 on Google)

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mike fisherGoogle★★★★★Nov 2025

Amazingly fast to sell gold.

— mike fisher, Nov 2025

Cathryn TurleyGoogle★★★★☆Nov 2025

4 star review

— Cathryn Turley, Nov 2025

DennisGoogle★★★★☆Feb 2026

I've been doing business with Doug and Tim when Tim was knee high. NEVER a bad experience or dull moment. Doug is a patriot thru and thru. Tim is honest as the day is long.

— Dennis, Feb 2026

Jake DialGoogle★★★★★Sep 2025

Friendly, fair prices, and lots of cool stuff!

— Jake Dial, Sep 2025

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Nahua GuillozGoogle★★★★★Sep 2025

Tim was great to deal with. Fair price for a circulation collection

— Nahua Guilloz, Sep 2025

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Chad FluenceGoogle★☆☆☆☆Jan 2026

As far as I can see it doesn't exist. Address brings you to a military surplus store that was closed.

— Chad Fluence, Jan 2026

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John BoltonGoogle★☆☆☆☆Sep 2025

If you are selling coins, DO NOT LET THEM TAKE THEM INTO THE BACK. I was selling some gold bullion coins and the woman took them into the back and switched one in perfect condition with one that was is poor condition. Then she said she had to deduct $50 for the poor condition. I'm never going there again. NEVER LET THE COINS LEAVE YOUR SIGHT!

— John Bolton, Sep 2025

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