OK, here's the gravy on the biscuit. The summit-log entry by these very same blokes:
Credit: Happy Idiot
Hopefully the .jpeg is legible. (Note, I've never been on Ship Rock. This isn't my photo, don't ask how I got it, but I got the OK to post it.)
Since this was a legal ascent back in the day, I don't imagine anyone will care if their name is posted, but if it's a problem, lemme know.