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From my Samples, Singulars, and Somethings Completely Different collection -
Deluxe articulated fencing gorget from Vistar Armoury, un-used and in storage since 2003. Mild steel with brass rivets, standing collar, keyhole and double pin-latches, russeted interior. While there are still some of these in use out in the world (a testament to their solidity!), you're not going to find another "new" one anywhere.