Archived 76561198062029287 (F|A: As:sasin|ninJa?)

Victim:
steamID: (nickname = Yoda97Yoda)
steamID32: STEAM_0:1:49692335
steamID64: http://steamcommunity.com/profiles/76561198059650399/
customURL: http://steamcommunity.com/id/Yoda97Yoda/
steamrepURL: http://steamrep.com/profiles/76561198059650399
SOP forum account (if applicable): /

Hidden Content:

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Scammer:
steamID: F|A: As:sasin|ninJa?
steamID32: STEAM_0:1:50881779
steamID64: http://steamcommunity.com/profiles/76561198062029287
customURL: /
steamrepURL: http://steamrep.com/profiles/76561198062029287
SOP forum account (if applicable): /

Screenshots:
http://i.imgur.com/P4KUp.jpg

Description:
After as:sasin posted he wants to trade in the chat and I said I had a strange stickybomb, he sent me a trade request. I put the tf2 items I had for trade in and he was very interested in my Strange Natascha. He offered 1 ref and it looked like a good deal so I accepted and it turned out me not getting any items and he getting my Strange Natascha. I am 100% sure he did not remove the item in the trade, the 1 refined was still in the trade window when he pushed ready and trade button.
Some english translations of some (important) words of this copied tf2 chat:
-"heeft geruild" = (has) traded
-"vreemd" = strange

Code:

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F|A: As:sasin|ninJa? heeft geruild: Natascha (Vreemd)
<D-O-D-U>Impleti heeft de prestatie BFF² behaald
Yoda97Yoda :  Wtf
(Spraak) rulerofwestland: MEDIC!
Type !forum to visit our forums
F|A: As:sasin|ninJa? :  scammed ya
Yoda97Yoda :  WHAT

-This scam happened on Skial.com|upward|EU (if this could help)

Oh yeah this might be useful as well.. Don't have a screenshot but still:
When I joined another server of Skial to copy/paste the chat logs in tf2, he was there again. (Don't ask me how, he was there) And again, he tried the exact same thing with someone else. Posting "Anyone wanna trade" and then trying to scam. Again, might not be useful but you never know.

Do you happen to have screenshots of the trade itself showing the following:
1) The trade agreement
2) The quickswitch (if applicable)
Additionally, a screenshot of trade history would be useful.

Don't have screenshots of the trade itself.
But he didn't take the item out, very sure of that because it would have warned me on my side by forcing me to re-click the "ready" button, which it didn't.

And I'm not sure what you mean with the trade history thingy. Do you mean the trade histrory if the strange natascha?

This thread shows how to provide trade history.