Auction #1944 ARGENTINA: Splendid selection of "Rivadavias"

GJ.19l, 1st printing, IMPERFORATE VERTICALLY variety, used in Concordia, with very wide vertical margins and the horizontal margins with complete perforation (extremely rare because usually they are trimmed to make the stamp pass as completely imperforate!), very clear impression, position 79 on plate A, signed on back by Victor Kneitschel, ex-Solari, superb!