The XRF survey linked here is voluntary and can be taken anonymously. You will not be contacted unless requested and you provide your name and contact information. Survey results will be used for market insight by a US based XRF manufacturer.
Professional Numismatist | Scientific Consultant
Over 25 years specializing in United States and British coins, with a focus on die varieties and historical context. My background in microbiology and molecular biology brings a rigorous, analytical, and science-driven approach to numismatic examination and research. Since 1999.
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