Most if not all of tess's wares change weekly I noticed that pretty damn quick so yeah I'm currently waiting for the cosmic ghost shell to pop up so I can get it aswell as cayde and zavala's ships to turn up for my hunter and Titan I think it's usually 2 emotes (1 rare 1 exotic ) 1 sparrow ( legendary/exotic) 1 ship (legendary/exotic) 2 exotic weapon skins 1 exotic skin/legendary armour piece 2 shaders Gleaming boobs of vanguard and crucible Fireteam medallions