I have a set of QS4v4 in Heartland Maple and would like to trade for black, or silver QS4v4.

generally topics on selling/trading is not allowed on the forums, should be covered in the FAQ section.

I looked at the board rules and didn't see that in there.

https://www.axiomaudio.com/boards/ubbthreads.php/ubb/boardrules/v/1