Manipulation too is another ploy used in giving value to some of these collections, they could just make it disappear from public for quite a long time and boom, one day they just showcase it into the market and you see a lot of hands bidding for it therefore topping it's value.
Auctioning allows inflow of clever and intelligent people in a system, productive minds approach any price drop or action as an opportunity to dive into a system and in so doing there is this kind of force that they bring into the investwment terain, most times they are after purchasing at they lower price first before figuring out a way to make the investemnt a valuable asset, lets not forget that people never expected bitcoin to be valued as much as it is now, many people has the oppotunity to own some bitcoin for free but because of the reluctancy and doubtful attitude they couldn't grab such opportunity, ordinarily investment pushups will be due to the interest of the people, soon this paper might be another valueable investment, Bitcoin was called all sort of names, here we are today Bitcoin is the most valued money both in digital and note currency.