1845, 2 + Rp. Black / bright yellowish green / dark vermilion, proof the "Basel Dove", unused with original gumming, on all sides full margins, slight gum crack, a little having mould stains and thin spot, on face impressive piece of the rare proof, photo certificates Nussbaum SBPV and Berra-Gautschy International Association for Philatelie Experts, Michel 8.000.-