I would say yes, and I would say probably keeping quiet about it. I will understand as he would want to earn at his best interest and not selling it off at low balling prices.

Being said it is probably testing water on how the responses are like, I am thinking almost none or probably some of us asking if he would part responses.
Most gumtree users are looking for cheap steals. I am quite used to the very bad low balling responses as well some way unreasonable.

I don't think it would sell that easily. Even if I won lotto, I actually be going to ebay and selecting what I want to be honest.