1 / 2 Sgr. Red orange, block of four, on all sides having full margins and having bright colors extremely fine copy, unused with original gumming - the right lower stamp even mint never hinged, photo expertize Brettl International Association for Philatelie Experts (2013) : "faultless condition. A scarce unit. " and expertise Voigt VP (2019) : "the condition is perfect. It is a scarce unit. " multiples the originals are rare, in particular in present quality!