Drepanaspis gemuendensis, Placoderm fish

This plate with parts of the Placoderm fish Drepanaspis gemuendensis - a classical 
Agnath - comes from the lower Devonian of Imhausen in Germany.

The stone is unbroken, it measures 30 x 23 x 7 cm. The weight of the plate 
is about 6.3 kilograms.

Rarely offered and well-prepared collector's item without any manipulations!