Silver Hologram.
X-Men (1991) Promotional Hologram is a promotional item distributed in very limited quantities to comic book retailers based on their initial orders for the landmark 1991 X-Men series. Holographic image of the eight member X-Men team going after Magneto. Hologram centered on blue backing card. SILVER hologram, 7-in. x 2.75-in.; Backing card 10-in. x 6.5-in.