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Details
LOT 2111
Natural History - Fossil Seed Fern Pair Group
MIDDLE PENNSYLVANIAN PERIOD, CIRCA 300 MILLION YEARS B.P.
2 7/8 - 4 7/8 in. (623 grams total, 7.2-12.3 cm).
Comprising two pairs of Pecopteris sp. [4, No Reserve]
Provenance
From the Mazon Creek Fossil Beds, Braidwood, Illinois, USA.
Collected 1930-1960.
From the collection of the palaeontologist R Gledhill.
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