HUP58 Nitsche & Günther Splitterschutzbrille, third type with storage tin

Nitsche & Günther Splitterschutzbrille, third type with storage tin, having clear convex Ultrasin lenses, the black plastic frame's nose bridge is hinged in three places, frames are vented at top and bottom, the adjustable elastic strap has a single steel sliding buckle, they are attached to the frames by a silver alloy clasp at either end, the green finished storage tin is marked with model information and has an inner sleeve of balsa wood, tin shows some wear and minor dents, glasses are in excellent condition with strong elastic, USD $1000 LONGER AVAILABLE