International Institute of Minerals Appraisers

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

Mark Sonderby, ARA -- Certified Member No. 2020-04

  • U.S. Department of Veterans Affairs
  • 8 Fry Drive
  • Sheridan, Wyoming USA 82801
  • Phone No: 1-307-673-0515
  • Cell No: 1-307-210-8642
  • Email: markwfly@msn.com
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  • Membership Class: Certified
  • Start Date: August 20, 2020

Certified

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