Lot 173
4 d. dull rose, good deep colour (RPS certificate mentions slight oxidation), clear to good margins on 3 sides, outer frame line tiny touched at upper right, unused with large part original gum; a very fine copy of this extremely rare stamp, signed Köhler and Alberto Diena with certificate (1953), Fiecchi with certificate (1953) and certificates RPS (1952 and 2008). Provenance: Joseph Hackmey (2010)
