Unfortunately, I don't know for sure, I found it while trying to show someone what female armor would have looked like (Joan of Arc and the like) rather than the Hollywood versions.
I think it's from a reenactment but can't remember
I found where I got it from.
https://imgur.com/gallery/K53kzbA
http://jasmineardenbrown.wixsite.com/jasminebrown/single-post/2016/04/03/Medieval-Longsword-Training