seated again , i slit open the seal and produced an invitation from the galerie des expatris insipides , requesting me as an honored guest at the evening 's private unveiling of a reputed monet work entitled minuit bu l'appel final -- `` midnight drunk at final call '' -- a rarely seen impressionistic masterpiece long held in the collection of the well-known international investment firm and host of the affair , the woolamaloo gang hedge fund .