Rare Jem Glitter 'n Gold Fashions Golden Days, Diamond Nights outfit, produced in 1986 by Hasbro for the original line of dolls (I've read these also can be worked for the Integrity line).  Still sealed in it's fantastic display box that is in like-new condition with no store stickers/sticker scars or residue - I don't believe it ever was shop stock from the look of it - see photos of each side (any white spots is flash glare).  Contains;