Up for sale is this authentic original 1991 concert poster for Nirvana with Mudhoney (plus another cool band – Sprinkler) at the Fox Theatre in Portland, Oregon on October 29, 1991. Iconic Halloween-themed design by artist Mike King features bold green lettering on bright yellow stock with a repeating border of witches on broomsticks and jack-o’-lanterns in the corners. Classic offset print, approx. There is a slight small crease to the upper left-hand corner. No major creases, tears, or stains. Still perfect for framing or display (see all photos). Rare early Nevermind-era Nirvana memorabilia from the exact day the album went gold – a true must-have for serious grunge/90s collectors.