Belgium - Breweries

Alken-Maes is a Belgian brewery created out of the 1988 merger of two small breweries, Maes located at Kontich-Waarloos and Cristal-Alken located at Alken. It was bought by Scottish & Newcastle in 2000, who were taken over by Carlsberg and Heineken in 2007.
Some of the Brewery's Range
Cristal - Since 1928
Maes Pils -

Over the years the brand identity is updated and re-launched with subtle changes, a change of Logo or a new font.
Sometimes this brand update is done by the new owners after a brewery has been sold, other times just to give the brand a fresh new look on the ever growing market.

Below are some notes to help identify some of these changes and an aid to reference the year of the glass.