Stamped NS, please see last pic. Freshly cleaned. Well used, with many marks from horse chewing at it while in use. Central joint rings and canon rings worn. Rare size: Mouthpiece length 152 mm Mouthpiece thickness 18 mm Ring diameter 90 mm Postage is economy delivery. Now shipping Worldwide via Global Shipping Program. Will combine postage where possible, please message to arrange OR make your purchase and I will refund the difference :)