when I was a kid, I read this book called "Felton & Fowler’s Best, Worse, and most Unusual". It was my first foray into books on american culture. It was very interesting, and Frothingslosh was in it. They mentioned that the labels on the beer were upside down.
Clothier, I LOVED this book, and its sequel. So many interesting factoids. "Frothingslosh: The pale, stale ale with the foam at the bottom."