NIKOLAI 20.3.1921 ZKr (OS handbook number 231.1) on postal stationery postcard 15 Pfg violet smelting works and dove 1920 additional franking 10 Pfg orange red, 15 Pfg gray violet, 80 Pfg purple brown, 2 Mark brown, 3 Mark gray violet smelting works and dove, CTO from day the voting, interesting historic document in good condition