Mars Open: Subscriber promo (2017)

This promo card for Mars Open was mailed to subscribers of the Bellwether Games newsletter.

Its an unfolded "ball" card.

Card back has the normal game markings but says "Subscriber".

From the card:

"Instructions -

1. Fold each corner on the dotted line as indicated. (Adjacent corners will be folded opposite directions.)
2. Rotate the "ball" so the open side faces you.
3. Flick away!!"