i have no idea of the origin at all it has a silver grade mark "835 MD" and an embossed logo with unclear writing https://i.ibb.co/Xp8hQb8/IMG-0823.jpg https://i.ibb.co/wCMtN1y/IMG-0824.jpg https://i.ibb.co/F694YK9/IMG-0825.jpg https://i.ibb.co/18Y5rMG/IMG-0826.jpg