Auction #99 - ARGENTINA: Selection of good Rivadavias, including rarities

GJ.19b+e, 1st printing, unused, with a number of varieties as interesting as unique: SHADING COLOR (from rose at left to brick red at right), line watermark in the left margin, thin paper, two paper folds, partial double impression, and finally varying impression: more clear and rose at left, superb, extremely rare, unique!! With Alberto Solari certificate.