Accepted Report: 76561198304485576 - ([CSGO] Counter-Strike: Global Offensive Items)

What do you mean pins? you mean codes?

Let me see a full screen of your trade inventory history for last 48hours.

ALL evidence must be hosted here to the report NOT imgur or any other 3rd party hosting site

Can you do that thru steam client please not a browser?

Ok once more - you didn't have steam client URL enabled. Any screenshots of the client without that isn't something we can use.
Read this guide for help on how to enable that
https://forums.steamrep.com/threads/screenshot-guide-requirements.157969/

You are very lucky - we normally don't accept code reports but I found more to this report than usually available.
Don't trade codes from now on and you won't have this problem.

Your report was accepted and the accused was banned. Feel free to report a violation via their Steam profile.

In order to do that, you have to:
1. Visit the accuseds profile
2. Click MORE drop-down located at the top right of the page
3. Choose REPORT VIOLATION
4. Select the violation, then describe it and provide the evidence
5. Click SUBMIT REPORT

Click here to view an animated gif that shows how to report a violation.