The most interesting detail my grandpa shared was that they all had English/Latin typewriters but the messages were all in Cyrillic, so they taped Cyrillic lett

The most interesting detail my grandpa shared was that they all had English/Latin typewriters but the messages were all in Cyrillic, so they taped Cyrillic letters onto all the keys and used numbers and/or special characters (can't recall which) for some of the letters since Cyrillic has 7 extra letters.