About Us

Howard Markham, as past grader for PCGS  I have the unparalleled knowledge of coin grading and have  been in the business for over 30 years. We are the Preferred PCGS Coin Appraiser  for Banks, Courts and Trusts!! Better Business Bureau accredited  PCGS Coin Appraiser.  PCGS coins  and NGC coins. with an A+ Rating for the last 30 years.. Markham Numismatics has traded, purchased and sold millions of dollars in PCGS coins and NGC coins , I worked for David Hall when he started PCGS in 1986. Markham Numismatics has built a extensive network of coin collectors who are waiting to buy PCGS coins and NGC coins.. If you are looking to liquidate your PCGS coins or NGC coins fast and safely then please call for an appointment.      Due to the high crime atmosphere  we no longer keep any inventory and we don’t sell anything!

Markham Numismatics.

Our Offices

Riverside Office

By Appointment Only!

Markham Numismatics 5225 Canyon Crest Dr. Riverside, CA 92507
951-686-2122
(800) 953-3027
howard92508@yahoo.com

Palm Springs

By Appointment Only!

777 E. Tahquitz Canyon Way set 200 Palm Springs, ca 92262
760.904.6016
howard92508@yahoo.com

Palm Desert Office

By Appointment Only!

74-710 Highway 111 Suite 102
Plan Desert, ca 92260
1-760-904-6016
howard92508@yahoo.com

and Offices in North Orange County to serve my home Town of Brea

SELL YOUR COINS?

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GET IN TOUCH WITH US NOW!

If you are considering selling any or all of your collections of Coins. Give us a Call Today…
We Want Make An Offer!