I'd buy it for $35. <img src="/images/graemlins/smile.gif" alt="" />

Normally I'd say go with the straight edge, but the sawback w/serrated-straight combo looks mighty nice. I normally carry plenty of straight edge on me anyway, so that might not be a bad addition. It looks like it actually has a hammering surface with grooves for better traction on what you hit.
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Experience is a hard teacher because she gives the test first, the lesson afterwards.