that australian kid on girl did a switch fs noseslide pretzel flip a while back
edit: rowan davis as seen in lad's pro as
i think not much later some other australian did one with a fakie ollie into it but could be mistaken
As for bs noseslide bs(270)flip (bs nose = never a pretzel); Diego Todd did a sick one on that curved ledge in paris, the one against the wall, around the pilar, in some montage