This is a postcard issued by Carl Zeiss Jena in 1921 to celebrate the 75th anniversary of the founding of Carl Zeiss. It is shown here in its actual size.
There is a great deal of the history of Carl Zeiss on this card. But in addition to history this little card demonstrates something very important to know about each and every Carl Zeiss product and this is they are filled with many hidden tiny quality secrets that cannot be seen by the naked eye. The engraving and printing on this card are of the highest possible quality and look as hard as you might you will find nothing to equal it today, including paper money. The following scans shown on this pag are relatively low resolution to enable this page to load in a reasonable amount of time. But each picture is linked to a very high resolution scan of the various parts of this card and they contain all the secret details. If you want to see the kind of ultra microscopic printing Zeiss could do in 1921 just click on one or more of the following pictures to download examples of the finest printing on paper that can be.
Here is a recent postcard picture of the modern Zeiss works in Oberkocken: