Hermes Shield

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Across
  1. 4. Digital hieroglyph
  2. 5. Something that might go off, on call
  3. 6. Mark of approval
  4. 9. Ancient document or modern habit
Down
  1. 1. Code
  2. 2. Sign of things to come
  3. 3. Copy that?
  4. 7. Carrier that flies
  5. 8. Old-fashioned feather in ink