Spine of the Hansŏng Tosŏ issue (vertical) and the Chungang Sŏrim issue (horizontal).
Sources: Images of the Hansŏng Tosŏ issue are from the Hwabong Mun’go (far left) and Appenzeller-Noble Memorial Museum collections (right). Image of the Chungang Sŏrim issue is from the collection of Ch’oe Ch’ŏr-hwan.