this isn't every ffxi player's experience, but skirmish pephredo. it took my salvage group 9 months at 6 runs per week to get it to show up for the first time.
i got the drop on the first one. then we went back the next week and got 5 more drops x_x.
http://i.imgur.com/O5APL.jpg
http://www.last.fm/user/jaeganja