eBay listings spotted by the folks at MakingStarWars.net seem to have revealed a new logo for Rogue One: A Star Wars Story. The items being sold are reportedly crew and cast gift items, featuring a bag with a Rogue One logo.
The bag has a modified version of the Rebel Starbird (click the link above for the image), which has been the traditional emblem of the Rebel Alliance and now the Resistance. The wings point just shy of the "beak" of the emblem as seen on the material, and the beak is one straight point, as well. "Go Rogue" is written underneath the emblem in Aurebesh, the written language of the Star Wars universe, while above it says "Star Wars Rogue One Cast & Crew 2015," lending authenticity to the claim.
The logo hasn't been released officially, and there's always the chance this is an elaborate hoax, but it seems to line up fairly well. That "Go Rogue" makes for a great, short and sweet slogan for promotion, as well, so hopefully it's real. With Rogue One wrapped and production started for Episode VIII, the official promotion cycle should start fairly soon, probably around or soon after the release of The Force Awakens on home platforms in April.