Why did jaqen gave Arya the coin?

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Tags

1. #moxie
2. #someone
3. #valyrian
4. #necessarily
5. #customary
6. #always
7. #valar
8. #braavos
9. #option
10. #murder
11. #gives
12. #though
13. #impressed
14. #jaqen
15. #greeting
16. #presents
17. #grant
18. #braavosi
19. #morghulis