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I'm Sandy Ludlum. I have been appraising natural history items for over 20 years. I am trained as a mineralogist, paleontologist, biologist, and appraiser.

I have written appraisals for single items and for entire museums and specialize in the following materials:

  • MINERALS AND MINERAL COLLECTIONS
  • VERTEBRATE AND INVERTEBRATE FOSSILS AND COLLECTIONS
  • BUTTERFLY AND INSECT COLLECTIONS
  • SEASHELL COLLECTIONS
  • TAXIDERMY COLLECTIONS
  • NATURAL HISTORY BOOKS

Read more about what I do by clicking here.

In general, I do not accept appraisal assignments for gemstones, lapidary material, or artifacts.

Non-appraisal services available include specimen identification, authentication, collection inventories, and cataloging.