did a quick vinegar soak last nite, whole blade turned black, no sign of hairpins like on my chinese/tibetan knife, there is some signs of differential hardening along the edge tho. the vinegar did take off the horrible polish that someone gave it at some point looks a lot better.
had a look thru the internet for how to test silver with home items, i'm gonna put a dab of yellow mustard on it on the back to see if it's real silver, mebbe a touch of egg-yolk. should turn black from the sulphur.
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