that may not be a font but a logo designed for the company ... have you tried using "What Font Is" to identify it?
http://www.whatfontis.com/
I did see something like this a while ago, called "Prehistoric", or "Neanderthal", or something like that. Try "Novelty" fonts at 1001fonts.com and similar, and/or phrases such as Stone Age" and others.
You're seeking basically an extremely bold font, such as Antique Olive Nord, that has it's edges rounded and the overall outline slightly distressed.
You could go with an exceptionally bold font and then edit it in Xara, or here's one that's a close cousin, but not an exact match:
My Best,
Gary
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