That stock blank did turn into a remarkable stock, didn't it? I bought that blank from Old Tree Gun Blanks. Some years ago I came across a similar blank on Hunter Bid (Chiron):

I bid on it, eventually won it, and then sat on it for several years waiting for the right gun to come along. That turned out to be a Martin Ugarteburu Model 115 I stumbled upon in a gunshop in Taradell (just outside on Barcelona). I was vastly lucky to have Diego Godoy, a master gun maker, put wood and gun together, to my measure. Here is the result:
http://s295.photobucket.com/user/Kyrie_E...el%20115?sort=6 How's that for similar to the stock on the Gregorio San Martin? Hard to believe the two blanks came from different trees on different continents, found and bought years apart.