Between Shades of Gray

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Across
  1. 3. finely cut tobacco rolled into a cylinder to smoke
  2. 4. papers you usually write and ship to people to communicate information or to check on loved ones
  3. 6. hard physical work
  4. 7. ice crystals that fall in white flakes
Down
  1. 1. stock cars or train cars used to transport animals
  2. 2. a signed name, usually for distinctions or identification
  3. 5. figures or pictures made from a pencil, pen, or crayon
  4. 8. Narodny Komissariat Vnutrennikh del (People's Commissariat of International