Optic box / flare pistol leather carry strap '1939'

An scarce original leather optic box & case carry strap, such as for the MG34 / MG42 MGZ Lafette optics etc - as well as the flare pistol holster / ammo pouch.The strap remains complete with both original attachment buckles, and it is maker marked / dated 'Bielefeld 1939'.A piece that would make the perfect addition to complete any such set that is missing the all important, and very often missing, shoulder carry strap!