4 Sk. Envelope SKILLLING KV5 (1871) sent from RIBE to Gram-Mølle, paying the favored border rate at 4 SK between RIBE and GRAM. RIBE Lapidar IIa-1 delivered 30.12.1870, known from 23.11.71 till 1878. ONLY RECORDED 4 SK STATIONERY ENVELOPE USED FOR THE BORDER RATE WITH SCHLESWIG.