Plenty of obvious boat frames down there, but the ink was just in a pile of random lumber scrap, may have been part of a boat once but who can say for sure...
Tide finally came in & chased me out. Found one last old milk laying high above the tide line on the way out, must have walked by it ten times without noticing it. Nothing spectacular in the end, but got a few interesting bottles along with some scrap brass/copper junk, it was a worthwhile...
Saw the corner of this stone slab, was hoping it had some sort of neat inscription or something. Turned out to just be a broken slate heater grate surround[:@]