Main external features to tell original Russian Oktava MKL-2500 from Chinese one

Chinese fake	Original Oktava MKL-2500
Cylindrical body and basket	A little bit conical body and basket
Length - 162mm	Length - 155mm
Screws type - Phillips	Screws type - Slot
No serial number	Serial number in the bottom part
7-pin XLR	6-pin XLR
Silk screen marking	Laser engraving marking
Colour - dark-grey	Colour - black
LED on the rear	LED on the front