Since these are unnumbered, Mina defined six types of cards.
Small pic on top, character name in Japanese, pentagram on bottom (vertical alignment, 4 regs, Tadao prism)
Small pic on bottom, character name on top in Japanese script (vertical alignment, 4 regs, Mikami prism)
Large pic, with pentagram on bottom (vertical alignment, 7 regs, Mikami prism)
Triple pics (vertical alignment, 4 regs, 1 prism)
Small pic on left & right, “GS Mikami”; in center (horizontal alignment, 4 regs)
Mikami; on left side, medium-sized pic on right (horizontal alignment, 4 regs)