SINGLE COMICS MARVEL X-Z X-Factor Series 1 #19 PreviousX-Factor Series 1 #18 NextX-Factor Series 1 #20 X-Factor Series 1 #19 X-Factor Series 1 #19 £7.00 Key Issue: 1st Cover Appearance Horsemen. Marvel Aug 1987. 1st Print. Simonson, Simonson, Wiacek. VFN+/NM. 36 pages complete Add To Cart Facebook0 Twitter LinkedIn0 Reddit Tumblr Pinterest0