The symbol indicates a pint. The numbers indicate the date the glass was "tempered". Which is some official Irish thing.
If you mean 06-13-2011 then it is: VI-XIII-MMXI
It means "Expiration date : 06/13", which is 2013 June 30.
06 = vi 13 = xiii 1986 = mcmlxxxvi
Yes Dear - 2000 The Guinness World Record 6-13 was released on: USA: 25 January 2006 USA: 25 January 2006 Hungary: 19 July 2011
The View - 1997 2005-06-13 was released on: USA: 13 June 2005
The Five - 2011 2012-06-13 was released on: USA: 13 June 2012
About Faces - 1960 1960-06-13 was released on: USA: 13 June 1960
Today - 1952 2007-06-13 was released on: USA: 13 June 2007
The View - 1997 2013-06-13 was released on: USA: 13 June 2013
Daybreak - 2006 2006-06-13 was released on: USA: 13 June 2006
The Seven - 2010 - 2011-06-13 was released on: USA: 13 June 2011
Rome - 2012 2013-06-13 was released on: USA: 13 June 2013