WF 124 var, 5c Blue Mulita envelope, 10c Frank, uprated with 4c Orange, 10c Lilac rose, and 12c Olive brown (246, 248, 249), all tied by March 31, 1899 "Certificacion Intern. Mexico D.F" datestamps on cover to Geneva, Switzerland, Mexico City registry label on reverse, red "Recommande" and "Via Nueva-York!" handstamps, April 14 Paris transit and April 15 Geneva arrival datestamps, very fine and colorful franking