This is an original World War Two Boeing B-29 Super Fortress Bomber Remote gunners Station Gun Sight. This sight is marked Reflector sight DES -165 Mod C.  The B-29 has several turrets that all or most can be controlled by one gunner. He sits at a sighting station and looks thru this gun sight. As he does the remote turrets track what he is aiming at. This sight is in very good condition. It has clear glass and perfect tinted glass. The tinted glass is folded down and used like sun glasses when the sun makes it hard to see. It comes with bulbs.The Boeing B-29 is famous for bringing the war in Japan to an end with the massive bombing raids this aircraft was able to deliver. The B-29 was the first pressurized US heavy bomber and today there is only two still flying. this item is being sold as a collectible and may not work. We accept  paypal in US dollars only. Buyer to pay actual shipping by US mail.  AZ residents add 6.7% sales tax.