Sadly, only this Screenshot - d77b8e01fcd8c8530f665bff8850955b - Gyazo
Being as it came from someone who was trusted in the gambling department, I figured it'd be okay. Then later, him telling me I'd traded the wrong person after he confirmed it was the correct person.
So I was speaking with Summber on skype, their live agent for cashier on @BigBoiBets . When I had asked him if he wanted to buy my rs07 gp. He proceeded to give me a skype for someone I can sell to. I add them and PM summber to ask if its the correct person before I continue, and he says "ye"...