I have been running HOT lately -- not so much in quantity, but certainly in quality. Here are photos of the latest. I have been searching the net for mammoth or mastodon toe bones but nothing looks exactly the same. I have learned the questions: Is this Proximal, Medial, or Distal? Assuming the "rounded" side points forward and flat side rearward, can we tell which foot (left or right) and which toe on the foot? The size in 3.25x3.25x5.00 inches. Is this specimen a small, medium, or large ex