Germany - Breweries

The Jacob family brewery (Familienbrauerei Jacob) has been brewing in the heart of the Upper Palatinate Lake District (Bodenwohr Germany) since 1758.
Some of the Brewery's Range
Jacob Naturally Cloudy Yeast Wheat Beer - 5.3%
Jacob Dark Wheat Beer - 5.3%
Jacob Kristall Wheat Beer - 5.3%
Jacob Light Wheat Beer - 2.7%
Jacob Non-Alcoholic Wheat Beer - 0.5%
Jacob Weissbier Radler dark - 2.7%
Jacob Weissbierbock - 7.5%
Jacob Hell - 4.9%
Jacob Export - 5.3%
Jacob Dunkel - 5.3%
Jacobator - 7.5%

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.