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2026 ESCONI Gem, Mineral, and Fossil Show – Preview #38: Reticulopteris munsterii var. dawsonii from Mazon Creek

This is the preview post #38 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.


How about another Mazon Creek seed fern? This one is Reticulopteris munsterii var. dawsonii (see Mazon Monday #252).

If you are reading this… today is the day!

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