I always look on that site when I'm looking up the value (supposed) of a retired cue.
I don't think it is anything they retired. I think it may be one of their "transfer art" cues and somebody sent them an image.
Maybe it signifies they are a world beater or they got beat by everybody in the world.
Have you ever asked them where their cheap "custom" cues are made? I would assume China.
http://www.mcdermottcue.com/mcdermott_custom_build_cue.php#addoptions
I like the idea of a solid white cue (urethane finish) with a solid black linen wrap, black 3/8-10 joint and a black butt cap (no logo, preferably). I'd probably get the I-2 shaft just to try it out. I have never tried one.