Tochka-U serial number

Italian journalists filmed the serial number of Tochka-U that exploded at the train station in Kramatorsk. According to it, the ownership of the missile belongs to Armed Forces of Ukraine

The photos show that the serial number of the Kramatorsk missile is Ш91579. The missiles that were launched by Ukraine in the Donbas region earlier are Ш91565, Ш91566. The missiles belong to the same series and are probably from the same unit