How and when will sell of overstones NFTs be?

How to sell overstones NFTs , Due to the fair distribution , it will be done in several stages.
The community of ancient NFTs holders must diverse , with a wide geographical spread as this is the legacy that must be properly passed down to future generations.
In the first phase, Overstones will sell a percentage of its tokens cheaply to early buyers of the collection , at a price that will never be repeated.
After the expiration of the number and time of sale at each stage , Prices will increase exponentially compared to the previous stage , Even if the auctioned tokens are not sold completely.
the start and Time of all sales , It will be announced a week before on overstones social networks.