So whats an instrument worth when selling online?

I wanna sell a Roland Jupiter 80.
They been selling for €1500 to €1700 For quite some time now.

But about 2 months ago, someone decided to sell his (no patience as it didnt sell witthin 2 days for €1600) for €1200.. and it offcourse sold rather fast. The person that bought it has it now on sale for €1600..

Yet funny enough, people now tell me, since that one keyboard sold for €1200, my price is way to high, they tell the same thing to the only other Jupiter 80 for sale.. 3 people allready litterally told me, i am not going to pay more then €1200.. and i tell them, good luck in finding a seller..

In general lots of patience helps getting a fair market price. People selling to cheep however break the market mechanic. Which is a bad thing, as everyone wants a fair price for what they sell, so they can afford their next dream.