[Gianandrea Bussi]

A militaria shop in my town (Piacenza, northern Italy) has got a panel coming from the wing of a "twin engine Luftwaffe aircraft crashed in a remote place of northern Italy in fall-winter 1943" (or 1944).
In the panel (the outside of it is painted black or very dark green that covers a ligth blue color) there is a plate. The following is readible:

Zeichn. 8-88 519 315-

I think that it's coming from a Ju.88 even though the owner tells that it was a Ju.188.

It's possible to know other details about that panel (and the aircraft)?

According to the owner, all crewmembers perished in the crash and local farmers recovered parts of the following: wings, tail, engine and main undecarriage.

Thanks in advance

Gianandrea