This is the preview post #37 for the 2026 ESCONI Gem, Mineral, and Fossil Show Live Auction. The ESCONI Gem, Mineral, and Fossil Show for 2026 will be held on March 21th and 22nd at the DuPage Fairgrounds in Wheaton, IL, which is the same location as last year. All details can be found here.

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This preview is of a chunk of shale from St. Clair, PA. This piece contains numerous examples of Alethopteris serlii, a seed fern also found in Mazon Creek localities.

We are getting very close now… inside 12 hours away!