Declined A quick-swap scammer.

Hello Steamrep. Today I was trading and ran into a scammer who was selling his Unusual Hound Dog Effect Orbiting planets. So I put in the items. And while I wasn't looking he swapped it with a unique one and thought I didn't notice it. His Steamrep id :
| steamname: <XxPhresh_Holy_MackerelxX>
| steamID32: STEAM_0:0:37164225
| steamID64: http://steamcommunity.com/profiles/76561198034594178
| customURL: http://steamcommunity.com/id/99maxg
| steamrep: http://steamrep.com/profiles/76561198034594178

Victim:
| steamname: Blue Oak™
| steamID32: STEAM_0:1:43006946
| steamID64: http://steamcommunity.com/profiles/76561198046279621
| customURL: http://steamcommunity.com/id/Red-Kun
| steamrep: http://steamrep.com/profiles/76561198046279621

Hello, could you provide:
1.) A screenshot of the chat showing the original agreement
2.) A screenshot of your trade history showing the items traded
[Remember to upload them via the Upload a File button near the bottom]

God dammit that same guy tried to scam me but i was too lazy to file a report.