A la suite d'une enchère Yahoo Auctions Japan !
Source : http://www.retrocollect.com/News/unreleased-coin-op-shmup-wing-force-located-a-arcade-mame-rom-preserved.html
+ d'infos http://mag.mo5.com/actu/84546/wing-force-un-shoot-em-up-inedit-datlus-exhume/