1843, 5+5 C. \"Double Geneva\", yellow green, unused with full original gum - in the middle through gum influence slightly brownish shaded - insignificant, having full margins and as far as having bright colours copy this very rare stamp in excellent condition, photo certificates Emil Rellstab and Jean Claude Marchand SBPV (2023) \"in excellent condition. Very rare stamp. \", Michel 80.0000.- (Zumstein no. 3)