#4? head, fairly big head

This is actually the 2nd time I'd set this same head in the same spot - it popped with easy weight the first time, It appeared like it would hold this time - it did not easly bounce brought it out Look at the seam around the head - this was virgin rock hard to work on cleaning this for awhile - I think part of the deal with the first two placements was simply the powdering of the rock until it had conformed to the head size