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    • CoinExpo San Jose

415-601-8661 / 707-434-9200

Griffin Coins
  • Home
  • Items for sale
  • Contact Us
  • Coin Shows
  • California Show Listing
  • CoinExpo San Jose

Portsmouth Square Company Coin Shows

 

CoinExpo San Jose


Show dates: Friday, September 5, 2025 (10am-6pm)

Saturday, September 6, 2025 (10am-5pm)


Setup (dealers & earlybirds-$40):  

8am-10am, Friday, Sept. 5


print this page and bring to show for $2 off admission​​

Admission $6, good for both days

      U.S. &World Coins/ Stamps/Currency Bought & Sold, Stamps, other collectibles

.​​Validated parking for all attendees!

Before you leave the show, validate your parking ticket at the validation machine, then pay at the pay station in the hotel lobby. Go to your car, insert in machine to exit parking area.

$10 flat fee, to be paid by doing business with certain dealers (more info to follow, or email Scott Griffin at scott@griffincoin.com

Scott Griffin, PO Box 1876, Suisun, CA 94585
                  Questions? Call 415-601-8661

Dealers who attended the September 2024 Show:                  

Musa Numismatic Art
Pahrump Coin Shop
Bruce Braga Rare Coins
Ken Barr

​Gallegus Enterprises
Kurt Herrmann Rare Coins
Time Capsule Coins
Mike Locke - California Gold

Griffin Coins​
The Mint Mark
Compass Collectibles
Central Bay Coin Exchange

Montoya Billingsley

Armando's Coins & Collectbles

Sunny's Coins & Collectibles

Excelsior Coin Gallery

Fragner & Fragner

Arnold Coin Exchange

Customized Numismatic Portfolios, Inc.

Silver Eagle Coin & Collectibles

Mare Meteorites

Ken Dorney

Central Coast Coin Exchange

Newport Harbor Stamp Co.

Rob Martin Rare Coins

Numismattack

London Coin Gallery

Gold Rush Numi

Ron Ikebe

​For more information,
call Griffin Coins at 415-601-8661 
 www.griffincoin.com

Requirements for the Boy Scouts Coin Collecting Merit Badge available at this Show! Please see link below:


https://urldefense.proofpoint.com/v2/url?u=https-3A__drive.google.com_file_d_1-5Fj5USbZx9jHl38HtOKgNocYYB6e5MnY0_view-3Fusp-3Dsharing&d=DwMFaQ&c=euGZstcaTDllvimEN8b7jXrwqOf-v5A_CdpgnVfiiMM&r=cztap8YUPXEeOJlhoa8Lsx2Ztobd1wXdPXKVmamlo_w&m=ossLPVfOOeyPFQdJU0fQ1upEs0OmcVulMiz7_8h5YL-oN1qJNsft-j-Y77rzdirZ&s=1kKMGb_CPSFwpG93f3jii0WHyp9SUBeqOxp9aRsa-LM&e=


2019 Interview of Brent Johnson of Santiago Capital, talking about the future of gold

https://www.youtube.com/watch?v=x-LPzBJVU8I&t=166s

(cut and paste the link into your browser)

Check out this video from our 2016 show!

https://www.youtube.com/watch?v=at2opPcPQSE&feature=youtu.be

​

Copy and past this link to see TV footage of our show

(coverage starts at 23:30 into program)

https://www.youtube.com/watch?v=KG8UNO2r8u0




For Dealers Only:
 

Dear Dealers,

 Welcome to CoinExpo San Jose!

I'd like to communicate a few updates to you. They are:

Hotels

 DoubleTree Hotel

call the hotel at 408-453-4000 and ask for the coin show rate of $159/nt. plus tax and discounted parking on the nights desired

Hours
Our hours for the show are the following:

Setup: Thursday, Jan. 30, 3pm-6pm
Friday, Jan 31, 2025

 8am-10am

 Public hours of 10am-6pm (dealers 8am)


Saturday, Feb. 1, 2025: Public hours of 10am-5pm (dealers 9am)
 

 Please feel free to contact me with any questions

Best regards,
Scott Griffin
Portsmouth Square Company
415-601-8661

 

San Francisco International Numismatic Bourse


(Marin Coin Show info further down this column)


Date for SF International :
Saturday, May 10, 2025,

 10am-5pm


DoubleTree Hotel SF Airport

275 S. Airport Blvd.

SSF, Ca 94080


Admission: $8, $2 off with flyer, postcard, email printout or website page printout (this page)

World, Ancient and US Coins/Currency & other Collectibles Bought & Sold

Attending Dealers : 

Wolfshead Gallery

Musa Numismatic Art

Leu Numismatik USA

Ken Dorney

Multnomah Coins, Inc.

Classical Numismatics Group, Inc. (member IAPN)

Sun Shield Mountain Mint

Griffin Coins

Herakles Numismatics

David Showers

Kurt Herrmann Rare Coins

Ron Galileo

ANACS Grading Service


Hotel Info:

There are many hotels near the South San Francisco Conference Center, which is 5 minutes away from the San Francisco Airport.


The closest hotel is the DoubleTree SSF which shares a parking lot with the SSF Conference Center. They can be reached at 650-873-3550.


Best Western Grosvenor is located down the street from the conference center, and they can be reached at 650-873-3200.


There is also a Holiday Inn Express further down the street at 373 S. Airport Blvd. It can be reached at 650-589-0600.


_________________________________________


Marin Coin Show

Sunday, Nov. 23, 2025


Several dealers buying and selling rare coins & Precious metals, collectible currency and other collectibles


Best Western Novato Oaks Inn

215 Alameda del Prado

Novato, CA 94949


9:30am-4pm


Dealers:

Mare Meteorites

Griffin Coins

Bruce Braga Rare Coins

Sun Shield Mountain Mint

Forbis Numismatics

Kurt Herrmann Rare Coins

Ron Galileo




Vacaville Coin Show

Next date: Sunday, May 18, 2025

Vacaville Elk's Lodge

302 Parker Street, Vacaville, Ca

Hours: 9am-3:30pm

Admission: $2, $1 off with coupon

Free Coins for kids!


Dealers in attendance:


Kurt Herrmann Rare Coins
Ron Galileo

Jerry Forbis Rare Coins

Sun Shield Mountain Mint

Griffin Coins

Mare Meteorites

Griffin Coins

740 Texas St, Suite #210, Fairfield, CA 94533 USA

(415) 601-8661

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