International Institute of Minerals Appraisers

P.O. Box 19529, Boulder, Colorado, USA 80308

Darwin Werthessen -- Certified Member No. 2019-02

  • 674 Summer Street
  • Bridgewater, Massachusetts, USA 02324
  • Phone No: 508-846-6799
  • Cell No: 508-846-6799
  • Email: dwerthessen@gmail.com
  •  
  • Membership Class: Certified
  • Start Date: January 1, 2015
  • Subscription Date: January 1, 2017
  • Expiry Date: January 31, 2018

Certified

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