60 Centimes 1862 Seated Helvetia, so-called "copper bronze", white paper, unused with hinge remnant, fresh colour without oxidation, full original gum, very good condition, unsigned, Urs Herrmann ASEP certificate (2010) "Intensely coloured stamp in good condition with very attractive presentation", Zumstein 1.750.- CHF (Zumstein no. 35)