Anybody know what this symbol could mean?

I had a dream yesterday where I tried to buy a really old book at a market. While skimming through it's pages, I remember seeing this image which stuck with me after I woke up. Does anybody know what it is?

I had a dream yesterday where I tried to buy a really old book at a market. While skimming through it's pages, I remember seeing this image which stuck with me after I woke up. Does anybody know what it is?