WW1 British 'Ocentric' Trench Periscope

One of the highly collectable myriad of trench periscopes made for private purchase during WW1 this is the 'Ocentric' model with the wording ' OCENTRIC TRENCH PERISCOPE Patent Applied For' on both sides.
Made of sheet tin overpainted in a very typical brown of the period both with top & bottom mirrors are intact with carrying handles to each side. There are fastenable metal flaps at each end to protect the glass when not in use.

Code: 12706