I can confirm absolutely that set 10155 has been out for some time - I got one about six months back from a family relation that works in Maersk, and I still have the box sitting in my study. It's incredibly difficult even for Maersk people to get a hold of it evidently (according to the scandinavian contact that it came from).
The sticker set does not feature the Maersk Sealand logo, only "Maersk Line" in large text for the hull side. The boxes on deck are simple "Maersk" writing and logo.
There are not enough stickers however (at least in the set I got) to cover both sides of each box - enough for all the white boxes, but several sets short for the greys. Of course, if you put all the stickers on anyway, the boxes are too tight a squeeze to really fit well, so interior facing boxes I recommend you leave off stickers altogether to maintain the straight lines of the box stacks.