1915, G.R. MAFIA Handstamp in violet: 1r. carmine, fresh color, good centring and perforation, unused, a very rare stamp of which probably only 12 pieces have been overprinted, several known pieces have flaws, a really pristine piece, one of the greatest rarities of the "Mafia" issue, signed Hoffmann Giesecke a.o. and certificate BPA (1947)
