Once disassembled it turned out having many issues not just the broken balance which was mentioned by the seller.
1. Identification: The nachtigall stamp on the 3/4 plate is obvious, but what is that arrow logo under the barrel bridge? Is it a G or 9 or e? Nothing similar on Microlisk for pfeil (arrow) or G. And there are '36' marks under the dial and the 3/4 plate. Maybe serial number?
2. Error list: Broken balance, ok maybe can make new one. Broken 3rd wheel pinion, ok maybe ca
Finally the cannon pinion was wrapped in 2 layers of soft red copper and pulled off with plyers.
One problem solved, three other discovered after cleaning the mainplate. Balance and 3rd wheel jewels are cracked. 4th wheel just chipped off a bit but will do. One dial retaining screw simply dont have threads just a tapered and and was pushed in his hole.
A friend of mine who has a batch of ~200 jewels will search proper pieces for cheap. The jewels are wrapped in the baseplate metal, n