Checking some of the elements of the quest turns up the following: There is a similar quest with more information
It looks like this was something used to test the game.
About the same time, there were also ELM named NPCs in regular
I'm perhaps overly wary and won't be clicking on the links (perhaps someone with more robust security can check), but I am also seeing similar hits on a site in Russia. Comments in the quest linked by OP include:
Most of the comments on that page seem to have the same date, 2012/06/20.
Best guess? Somebody managed to get into an area not open to the general public
and brought out a souvenir. Russian hacker?
In Chinese: glasses are yanjing; eyes are yanjing, and the beer of Beijing is Yanjing. When speaking, the difference is in the tones. Did I just order a glass of beer or a glass of eyes?