6×30 Dienstglas marked SRB&STYS PRAG

Rare early 6×30 Dienstglas marked SRB&SYS, PRAG, Dienstglas. The company of SRB&SYS was one of the few known makers to produce Waffen-SS issue 6×30 binoculars until 1940. This is a general issue example from a rare maker.