This is a great find, thank you!
Am I right understanding that the first table is regarding air mail and the second is for surface mail?
Can you help us understand the (red) headings of both tables? On the first table, is that only registered mail or also for regular (non-registered) letter post mail, like postcards?
So, assuming both tables are about letter post mail (eg: postcards), the list of suspended destinations would be if a country is on both lists (suspended both by airmail and surface)?