Germany. A Mint Cased Pair Of Flak Crew Member’s Dust Goggles certificate_of_authenticity engraver marked "DU VIV

engraver marked "DU VIV

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Germany. A Mint Cased Pair Of Flak Crew Member’s Dust Goggles certificate_of_authenticity engraver marked "DU VIVThis is a mint and unissued cased pair of RLB (Reichsluftschutzbund National Air Raid Protection League) Flak Crew Members Splinter Dust Goggles (Splitterschutzbrille) in their original packet of issue; consisting of two eyepieces with yellow tinted see through celluloid plastic lenses with triple punctured top and bottom for ventilation, with an independent flexible nose piece and matching celluloid side guards. The glasses are held in place via a