If it looks OEM, I almost garuntee it was. Especially if it was done well.
Not alot of people would put leather in a car like a 240 without doing other mods too.
BTW, where'd you get the monkey?
A friend of mine used it as his avatar on a honda board for a while. <img src="http://www.zilvia.net/f/iB_html/non-cgi/emoticons/wink.gif" border="0" valign="absmiddle" alt=';)'>
Of course, I don't know where he got it from though.