1857, 20 Rp seated Helvetia, yellow orange, full. To white margined extremely fine copy from right margin of sheet, neat cancelled "St. Gallen 5 March 1862", photo expertize Rellstab International Association for Philatelie Experts: "in good condition. "1857, 20 Rp seated Helvetia, yellow orange, full. To white margined extremely fine copy from right margin of sheet, neat cancelled "St. Gallen 5 March 1862", photo expertize Rellstab International Association for Philatelie Experts: "in good condition. "