This is the old military alternate cap. It's dark green. It has gold-ish lettering.
The lettering has the pointy serif things, so this a petco park era cap.
It's a 59Fifty.
There isn't much really to say. But there is something like a 70 word count that is required for FanPosts. Which makes sense for most FanPosts. But I prefer that the pictures do the talking on this sort of FanPost. There, now we are over 70 words.