Three is a powerful number and often three of the same are used in crests and coat of arms. The three lilies are from the coat of arms of the town of Wiesbaden, the capital of the State of Hesse. The three rings are a medieval symbol for a bishop and this crest is displayed a the front of the Kloster Neuburg near Heidelberg.
pictures imperfect blog 
The power of three is important in the art world. I once made a painting with two pears. It just didn’t work. Thanks for playing.
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