Please sign your first name on all posts, per Brian's rules, so we know how to address you.
Red is active rust, & must be removed with antler or ivory to prevent further damage. Do not attempt any restoration on your own!
Agree with Steve on most items. Third blade is obvious fake. First blade is real, Shinto period, & the reason you can't take photos of the hamon is that it's obscured by years of neglect. Second blade looks odd, to my eye.