Lot
576 
/
Mexico, 1917, 1p blue & black, with vignette of 5p, top margin block of 4, o.g., right stamps never hinged, wide margins, bright and fresh, minor short perfs and separation, still Very Fine, a very rare multiple; with 2011 M.E.P.S.I. certificate. Scott No. 627a $3,600 for hinged singles.
Realized: $950