[qingcharles]

That's funny. Playboy sometimes uses an inverted R like that in place of its masthead logo, although I can't find an example on the Web right now. You can see it in their Rabbitar logo: (although it is right-way up in this example)

https://web.archive.org/web/20220422230205/https://www.playb...

edit: found one the other way up...

https://i.ebayimg.com/images/g/6aQAAOSwB3Ri~Cps/s-l1600.webp