I have a 1k running 6.20 PRO-C. I recommend getting a 1k(fat), 2k(slim), or a go. Avoid the 3k(bright) if you want to get a vita go for it there is hack for it. If you get a 1k, 2k, or go and need help pm me I'll be glad to help. c:
Your proofs are totally legit. :V
If this dude scammed you, y u no do dis in Scammer Report section and provide better proof, also people generally dont trust newcomers with large accounts anyway lol.