Hallmark Research Institute
  Providing Education and Resources for a Better Understanding and Recognition of Precious Metal Hallmarks Worldwide

Have Comments or Questions?..


..Just ask by filling the form below.

Please note: We are currently rebuilding
our HRI LA office
after the California Wildfires.
This will affect response time which could
prove to be lengthy. We appreciate your patience.

Have a question about a hallmark on precious metal?
Please send images with your to the email address below:

NOTE: Questions regarding hallmarks must be accompanied by full size, sharp and close up images. Please attach them to your email before sending it to us. Questions are accepted for hallmarks, we do not have the resources to help with Trademarks. If you are unsure of the difference, please check out our Hallmarks vs Trademarks page.  Also check our archived hallmark images on our Featured Hallmarks page. Click here ( java must be enabled to see email link) and attach the images to the message. We will respond as soon as we are available which may not be within the same day or week of submission but we will do our best. In some cases of extended research, a fee may be incurred but only with prior approval. Images submitted may be used by HRI for educational purposes with appropriate credit. Please indicate if you do not want the images so used.

Independent research assignments accepted.
Educational sessions and presentations are available for hire.
Experts on coins and precious metal hallmarks are available for expert witness work.


UNSOLICITED CALLS: It has come to our attention that our long and well established phone number and caller ID has been spoofed. This means that our phone number might be used without our permission for telemarketing or robo calling. The Hallmark Research Institute neither shares nor sells any information and would never condone such misuse as unsolicited calls. Unless expecting a call from us, do not answer a call with a Hallmark Research, HRI, or Paradise Associates caller ID. If you are receiving such calls, please block our number and click the word spoofing above to file a complaint with the FCC. We feel your pain and apologize for any inconvenience and/or harassment resulting from this misdeed.

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