Unless there is a surprise at a later date or hidden gems as they get mailed out, there are only 4 colors. 60,000 of each color/animal. This was on the site.
there will be 5 digital colors for each animal, total 20 varieties in colors and animals. Unicorn had physical color black and 5 digital colors. Same for the new animals, different physical colors and 5 digital colors again.
Please consider we only have pre-sale yet. Official launch/release will be on the 25th of June with more information/surprises.
Believe User apetersson here. He is the managing director of the company Capacity, which in cooperation with the Austrian Post developed the crypto stamp.