The coins are a part of our shared history. It should not be offensive at all. I'm more offended that you thought you had to ask the question....
You can see the discussion here for opinions from extremely knowledgeable folk: http://coinzip.proboards.com/thread/1452/1813-109a-r5-single-leaf...
Mostly just this website, I think. But it perfectly explains 95% of the coin questions posted here.
Separate names with a comma.
