Ok, before I tell the funny part of the story, although if you know what this stands for.... you will find it funny too....post and let me know what your guesses are, before you google it LOL LOL.
It says, (these are two dif pics, I had to take them before the tide washed it away!)
Make note of the drawing up to the left of Mootstock too. I dont know what the one on the right says.
It will be fun to see your guesses! (and your amusement at what it stands for! LOL)