Two insects, Oligocene age

These fossil insects date from the Oligocene (Rupelian, Stampian).
The specimen was found in the year 1979 in Cereste, Alpes-de-Haute-Provence, France.

Interesting: Two insects on one stone!
Unusual: Both sides (positive and negative) are present; you will receive both stones!

The stones are original and unbroken, measuring approximately 12 x 9.5 x 0.4 cm and 
12 x 9 x 0.3 cm.

No tampering whatsoever.