Welcome aboard. Stand and parts description will need work where ever you want to sell it. Is it a treadle? electric? Parts can mean a controller or a whole array of accessories. Pictures are always good and shoot them from both sides of the machine.
You will have to decide if you are willing to ship ( not generally recommended.) Many of us hang around craigslist and Facebook marketplace loo0king for our finds. and just for a bit of history. Singer bought W W and made the D-9 with thei own badging for a while. Don't expect to get rich. Millions of machines were made and many are in great shspe.