The graytones you achievied here are AMAZING. I've been exploring woodcutting and linocutting techniques lately (also etching and other engraving stuff) and this is IMPRESSIVE.
oh my gosh! this is the most amazing thing i have seen all day! i have to now go and see what else you have done as im going crazy hear looking at this!. what size tools are you using to get these marks? WOSERS!!! AHHHHH