Fossil Astrotheca and Neuropteris Ferns in Split Nodules

CARBONIFEROUS PERIOD, CIRCA 358-298 MILLION YEARS B.P.

4 - 4 1/8 in. (366 grams total, 10-10.7 cm).

Comprising two opened nodules showing the positive and negative of the fern fossil. [2, No Reserve]

Provenance

From Pennsylvanian Mazon Creek, Braidwood, Illinois, USA.
From the private collection of Kenneth Machin (1936-2020), Buckinghamshire, UK; his collection of antiquities and natural history was formed since 1948; thence by descent.

CONDITION

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LOT 2528