About Us

Howard Markham, as past grader for PCGS  I have unparalleled knowledge of coin grading.  Being in the coin business  for over 30 years has giving me a lifetime of knowledge . We are the Preferred PCGS Coin Appraiser  for Attorneys , Courts and Trusts!!  Better Business Bureau accredited  NGC  Coin Appraiser. 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 have PCGS or NGC coins and wish to liquidate them. please call for an appointment.       Due to the high crime atmosphere we no longer keep any inventory on site.

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 suite 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

 New Office in Diamond Bar to serve my home Town of Brea and surrounding area 

SELL YOUR COINS?

I-want-to-sell-my-coin

CONTACT US NOW!

If you need a coin collection appraised or wish to have us liquidate your coins . email or call us.
to set and Appointment .