Star Trek Original Series Retro Tech Card Holder Sleek, colorful, and function, just like Captain Kirk, it's the Star Trek Original Series Retro Tech Card Holder! This card holder features debossed faux suede, faux leather tri-color card slots, a side receipt pocket, and a gold foil stamped Delta symbol. The Star Trek Original Series Retro Tech Card Holder measures 4 1/2-inches tall x 2 1/2-inches wide. Ages 14 and up.