Double sided poster in EX condition with some light handling wear, but nothing that can't be fixed by linen backing.
SWAU sticker #A99293 on the back for Robert Downey Jr., Natalie Portman, Chris Hemsworth, Chris Pratt, & Pom Klementieff. Hemsworth actually signed this twice, once with a sloppy in-person signature on Cap's chest then another sit down signature on Thor's chest. The in-person signature can be removed by a poster restorer while linen backing or easily left as is. Also signed by behind the scenes members of the development team.
Boseman was in declining health as the Avengers Infinity War movies rolled out, making cast pieces with him on them very hard to come by and really, one of the central names you need on them to be considered complete. Endgame especially is an incredibly hard poster to have him on as it was released in the last year of his life. He never did a private signing, so this was done at public event by an in-person grapher.