Complex sentence: The $2 coin, carrying a polar bear, was introduced in 1996, and is called, by analogy, the "toonie" or the "doubloonie" or "two loonies (toonie)," and is bimetallic.
Split into simpler sentences: The $2 coin, carrying a polar bear, was introduced in 1996. It is called, by analogy, the "toonie" or the "doubloonie" or "two loonies (toonie)," and is bimetallic.