This is one funny instrument, looks like a Gibson SG made by Germans communists for their kids. The instrument was spotted on ebay.de and it could have been made by Musima, Migma or Meinel und Herold. The seller stated it's Musima, so we'd leave it like that - until someone will find out what it really is.

The seller's description was also funny, so here it is:

MUSIMA SG
Lawsuit SG Copy
Made in Germany ca. 1965

Fantastic look, sounds awesome!
It can go from super clean to very distorted!
This guitar is over 40 years old but still in a good condition, sold as is, comes with some dings and scratches please see the pics.