MARK V DIVING HELMET KEY CHAIN DIVERS KEY CHAIN LOT OF 100 Pcs. Great Deep Sea Diving Helmet Keychain. This Key chain quality is very nice. Made of solid brass and copper.Helmet is 2 Inches Tall. Small size fits comfortably in pocket. Very heavy reproduction helmet keychain. Great collectible helmet keychain for lovers. The item "Diving Helmet Brass Key Chain Mark V Divers Helmet Key Chain LOT OF 100 Pcs" is in sale since Saturday, January 20, 2018. This item is in the category "Antiques\Maritime\Diving Helmets". The seller is "brasshandicrafts" and is located in ROORKEE, UTTARAKHAND. This item can be shipped worldwide.