Rare Superman book found hidden in ceilingTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoTheresa Tropper05/25/2013May 25, 2013Superman's first appearance in Action Comic's 1 is one of the most coveted prizes for collectors. Only around 100 were know to exist but now a new copy has been discovered in an unlikely place: hidden in a ceiling.https://p.dw.com/p/18dsVAdvertisement