Prehistoric Assorted Fossilized Ferns in Matrices (Auction 2026-05-29, Lot 12A)

$257.00

North America, United States & Canada, Pennsylvanian to Eocene era, ca. 300 to 52 million years ago. A collection of fossiliferous shale and slate rocks bearing impressions and fossilized remains of prehistoric ferns. Size of largest: 5.3″ W x 7″ H (13.5 cm W x 17.8 cm H)

Provenance: private Colorado, USA collection

Condition: Good. Chips, losses and fragmentary pieces.