Jim, I ran that image through whatthefont.com, came up with no match. I went to identifont.com and answered all the questions to get a list of bold san serif fonts, they had no match. I found around 20 different fonts on my machine that had some of the qualitites of this font, but no exact match. I really thought I'd be able to pin this one down, but I just couldn't find an exact match anywhere. Unless you're trying to write some "new text" in the same font, I'd just trace it at this point.
Gene