Hi madej -
maker BEP (BP - PL # 2337) is the wellknown Rukawischnikov, Wasilij Egorowitsch. Known for his nice cigarette cases.
Cigarette cases with tinder cord and match compartment are often seen. It was the time when matches were very expensive and not very safe (selfignition) - you did not want to carry them in your trouser pockets......you used a match safe to protect your best parts.
Procedure: you pulled the tinder cord out of its sheath and ignited it with a match from the match compartment on the friction plate. After the use you pulled the tinder cord back into its housing.
Here some examples of complete cigarette cases of this kind - often chains and tinder cords are missing. The tinder cords were often very extensively designed to show your wealth /social status.
there existed match safes with tinder cords too...
Regards
Goldstein