Company name: Regel & Krug Address: Leipzig, Kohlgartenstr. 57 (1895, 1898), then moved to Leipzig-Reudnitz, Comeniusstr. 13-15 (1907) In business from: Sept. 1, 1894 until 1931 / 1933 Printer: yes Publisher: yes Trademark(s): illustrations show the two R&K Logos mostly found on cards. ”ERKAL” means “R” pronounced “ER”, “K” pronounced “KA” and the “L” stood for “Leipzig”. Occasionally found interpretation of company initials. Specialised in: “postcards with views” (description from 1895-1898 times, meant are typical chromolitho ‘Greetings from’ type cards, not illustrated here); real photo cards, colouring and gelatine finishing works