As I've been reiterating in many suggestions now, I have to mention that 'unsolds' make for very weak proof. We rarely see the suggestions that have sold, and items can go unsold due to poor bumping, due to trader unavailability, etc. You've mention that there have been some unsold for 4/5 days, but even with regular availability and advertsiing, special quality items like vintages are slower sells, and taking 4/5 days isn't at all abnormal.

That said, there do seem to be a fair number of traders willing to sell at low range right now. A couple more in the classifieds. I wouldn't mind hearing more thoughts from traders who've been actively buying/selling V Mining Lights recently.