With Emotionalism it was not announced until a week or two prior. So I expect similar with this.
Looks like this one is going to be a 3LP. Interested in the "6 Previously Unheard Tracks"
http://www.elusivedisc.com/THE-AVETT-BROTHERS-FOUR-THIEVES-GONE-THE-ROBBINSVILLE-SESSIONS-180g-3LP/productinfo/RAMLP57759/
First Time On Vinyl! 180g Vinyl 3LP Features 6 Previously Unheard Tracks From Original Recording Sessions!