This is sexy as hell. I wonder what game it was marketed with.
Look what popped up on eBay (courtesy of NCSX): http://cgi.ebay.com/Capcom-Pad-Soldier-for-Super-Famicom-New-Japan-Import_W0QQitemZ200355941380QQcmdZViewItemQQptZVideo_Games_Accessories?hash=item2ea6250c04