Baalis in Wikipedia
            is the name given in the Book of Jeremiah for the king of 
Ammon. He instigated the murder of Gedaliah, the Babylonian-
appointed Jewish governor of Jerusalem.
http://www.robert-deutsch.com/en/monographs/m7/ 
Seal of Ba’alis Surfaces by Robert Deutsch
When the Babylonians conquered Judah in the early 6th century 
BCE and destroyed Jerusalem, they made Gedaliah, a member of a 
prominent Jerusalem family, governor of Judah. But he was soon 
murdered, an event still commemorated in Jewish tradition by 
an annual fast. The assassin was sent by none other than 
Ba'alis, King of the Ammonites (Jeremiah 40:13 - 41:2).
Ba'alis's seal (shown on the cover of the issue of Biblical 
Archaeology Review, where this article was first published) is 
made of brown agate with white bands and is in fact quite tiny 
(0.5 inches in diameter and 0.2 inches thick). A small hole 
was drilled through the center of the scarab-shaped seal for 
the setting...
                          
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