that deer is definitely at least 3.5, and some of the photos look 4.5... I would lean a bit more toward to 3.5, however, based on the lack of wear on M3, since there isn't a pic of M2 that makes me feel comfortable with either 3.5 or 4.5 with certainty.
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A friend of mine is mounting it for me. I wasn't there when he pulled it, but I told him to save it for me. I'll post better pics when I get by to pick the jawbone up.