Willem Claesz Heda (1594-1680) was a Dutch painter of still lifes. He must have rearranged the items on the breakfast table several times because the motif is seen in many of his works. "Breakfast Table with a Ham", painting in the Museum of Schwerin; DDR 1982. Photo of another Heda breakfast table.
Since ancient times, cattle have been domesticated, providing people with milk and meat and being trained for heavy work as draft animals. The DDR stamp shows a fries at the temple of Musawwarat in Sudan, dating from the third century BC. stamp of 1970, honoring the archeological work by members of the Humboldt University. The mural dates from an Egyptian tomb of the 14th century BC.
The "Belgian Blue" is a breed of cattle frequently seen grazing out on pastures in Belgium and northern France. It is raised primarily for beef. There is a mutant among Belgian Blue which causes the animals to grow so much muscle mass that you wonder how they can stand; it's called "double muscling". The ones shown in the stamp of 2012 are fairly normal.
The first fleet of 11 ships leaving England for Australia in the spring of 1787 stopped at the cape of Good Hope to load supplies as well as livestock of all sorts for the new colony. They arrived in Botany Bay in January 1788. Thus began the story of Australia as a continent of farmers growing beef cattle and sheep.