1915, G.R. MAFIA Handstamp in black: 3r., fresh color, unused, faint vertical crease at left, few shorter perfs, light tonin, very attractive. An exceptionally rare stamp with just 14 (David Field) issued, or 20 examples (Bob Gibbs) believed to have been issued regardless of the overprint colour, ProFi has registered 10 stamps, certificate Brandon (2004) (Michel 10a)
