It's not dodgy though, harmless enough by troll standards if that's what it is. Tbh I just thought 'lucky them, I'd love to find a first edition in my attic!'
Report the thread to MNHQ to take a look at in the morning if you have concerns. I don't think it's dodgy enough for our lovely Night Watchers to hide, though I'm sure one of them will be along soon to take a look.