Red and White

In the desert Moses made flags for every tribe. Moses also made an Israeli flag for all the tribes, but what was the design of this flag?
From Athol Bloomer's elaborate article about the Mystical Rose one might guess that the flag of Moses might have included the Star of David since:

As Prince Dudumose Moses also bore on his battle shield the red Magen David (double dalet) design with the two base lines in a vertical formation. The Star of Miriam on her drum was the white Magen David (double mem) with the base lines horizontal.