Baltic amber stone with fossil inclusion - large spread wings mayfly Ephemeroptera.
It weighs 1.4 grams. Measurements of stone 25x19x5mm, length of insects body ~ 7mm, wingspan 14mm.
I can send digital high resolution picture by e-mail for personal (not commercial) use. Contact me concerning it.
If you which stone can be made into pendant for free. Please check if stone measurements are suitable for you.