In 1986/1987 KSS member John J. Sauer published “KSS Monograph 1: Korean Postal Stationery Catalog”. This 32 page publication was published according to the front-page “in lieu of the missing volumes and partial volumes of the past three years”.
Indeed the three years before 1987 had been very difficult years for the KSS. However, as in several earlier (and later) instances here too several people stepped into the void and tried to keep the KSS alive. The first noticeable result was the publication of this monograph:
At the time this publication must have been quite handy for non-Korean speakers, as the only available information was published in Korea. To get an idea of what it looked like the monograph can be downloaded through this link:
Note that only KSS members can actually download the file but becoming a member is for free and applying can be done online in a matter of minutes. By becoming a member you get access to all the pages/articles on the KSS website including all (scanned) publications already online. And even more is coming soon!