Denmark. Used 1875–1927. Back-of-the-book. All different, e.g. F Tj6, Tj9, Tj20, PF1-2a, PF2b, PF3, PF6-7, PF24, TI 7, TI 9-10, Slesvig 11-14. Mostly good quality. F SEK 6.665 (39)