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Robert R. Johnson Coin and Stamp Company

ID: 3957Store2108 mi from youSan Francisco, CA 94103+1 (415) 421-9701

San Francisco's oldest and most trusted coin dealer since 1954, Robert R. Johnson Coin and Stamp Company specializes in buying and selling U.S. and world coins, precious metals including gold, platinum, and silver, as well as stamps, jewelry, and collectibles. Our certified appraisers provide expert estate appraisals for individuals, estates, trusts, and attorneys, while offering direct purchase, consignment, and specialized auction services. With a reputation built on integrity and superior service, we…

4.6(40 reviews)
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About Robert R. Johnson Coin and Stamp Company

San Francisco's oldest and most trusted coin dealer since 1954, Robert R. Johnson Coin and Stamp Company specializes in buying and selling U.S. and world coins, precious metals including gold, platinum, and silver, as well as stamps, jewelry, and collectibles. Our certified appraisers provide expert estate appraisals for individuals, estates, trusts, and attorneys, while offering direct purchase, consignment, and specialized auction services. With a reputation built on integrity and superior service, we are the leading precious metals and coin buyer in San Francisco.

Active ListingLast verified: February 27, 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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4.6
★★★★½
8 reviews · 4.6 (32 on Google)
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Bernardino Valle
Bernardino ValleGoogle★★★★★
5 star review
— Bernardino Valle, Sep 2024
Dusty Briggs
Dusty BriggsGoogle★★★★★
5 star review
— Dusty Briggs, Apr 2025
Michael Chan
Michael ChanGoogle★★★★★
I wanted to provide a more modern review since there hasn’t been many recently. I called in to schedule a viewing and the owner said that his business is only wholesale dealing now and no longer as much about trading collecting or small scale buy/sell. He was very kind and offered me the name and phone number of a referral shop in the city that I’ll check out in the future. But for most intents and purposes it seems his business model has shifted from consumer to wholesale and so there isn’t so much of a storefront or shop or collection to view any more.
— Michael Chan, Feb 2026
Stephanie Versin
Stephanie VersinGoogle★★★★★
I brought in my coins collection, mainly French/European and I got a good price for it knowing it’s condition. Konstantin is fair, easy, and extremely knowledgeable about coins. I will definitely be back with my stamps collection!
— Stephanie Versin, Feb 2021
Eugene Turkov
Eugene TurkovGoogle★★★★★
I've sold gold coins and jewelry here over the years and each time I've gotten the best prices. Konstantin is fair, easy, and extremely knowledgeable about coins- these elements combined together create an extremely convenient transaction environment that is unbeatable. A+ !
— Eugene Turkov, Feb 2018
J M
J MGoogle★★★★★
After being given inadequate offer 2 blocks away. I contacted Robert R.Johnson Coin & Stamp. I received an offer +$300- more than previous. An honest businessman. Who else uses a glass desk, no computer, he just knows.
— J M, Oct 2023
Laura Peters
Laura PetersGoogle★★★★★
Konstantin Balter at Robert R. Johnson Coin & Stamp Company provided me with a comprehensive review of the stamps, coins and silver I brought to him for valuation. He explained his analysis of the materials I brought which aligned with another assessment I received a few years ago. This time I sold the lot to him. I would definitely return should I unearth more items. An appointment is required, so call or email in advance to make one.
— Laura Peters, Jun 2024
Peter Zheng
Peter ZhengGoogle★☆☆☆☆
I’d stay away. I called him on the phone inquiring about what percentage of spot they pay, and he wouldn’t give me a clear answer. I understand in hand examination is needed, but for scrap silver, percentage bids are present for almost every professional. The person answering the phone was also very rude. Stay away, there are much better options in San Francisco.
— Peter Zheng, Aug 2025

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