How to sell or buy items.

At this forum you can post a topic with the item you want to sell or buy.
Example:

WTB Energy Siphon Mod 10P
Whisper: Doncpauli
or
WTS Energy Siphon Mod 15P
Whisper: Doncpauli

Or you can sell your items at our Trading Post:
for PC:
https://doncpauli.com/trading-post/browse-categories/4/warframe-pc/
for PS4:
https://doncpauli.com/trading-post/browse-categories/5/warframe-ps4/
for Xbox One:
https://doncpauli.com/trading-post/browse-categories/6/warframe-xbox-one/