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SILVER FERNS - CARBONIFEROUS, PENNSYLVANIAN, U.S.A.
Alethopteris serlii Brongniart.
Large slab of grey shale. Covered both sides with silver white fern fronds. Absolutely stunning display piece.
Carboniferous, Pennsylvanian, Coal Shales, Pottsville Formation.
St. Clair, Schuylkill County, Pennsylvania, U.S.A.
25 x 10 x .5cm.
Our Price: £25.00
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