When ending a MarketPlace listing successfully, Pinsiders can invite user feedback from the other party. Marketplace feedback cannot be removed, but can be responded to by Lithium.
New! It is now possible for any Pinsider to leave feedback, without an invite. There are some checks in place to avoid abuse and "fake" feedback.
Pinsider badblackz wrote a recommendation October 13th, 2020.
““Great pinsider! Nice and easy transaction. Would gladly do business again and recommend him to anyone. Enjoy the game!””