Why Winston give John Wick a marker?

Related questions

1. Where are the four original Magna Carta?
2. Was John Wick ex military?
3. How much is Magna Carta worth?
4. How much are the coins in John Wick worth?
5. What rights did the Magna Carta guarantee?
6. How did John Wick's wife die?
7. What is the main purpose of the Magna Carta?
8. Is there another John Wick movie coming out?
9. Is there an end credit scene in John Wick 3?
10. How much does the Magna Carta cost?

Tags

1. #considered
2. #favor
3. #winston
4. #meaning
5. #start
6. #repayment
7. #future
8. #giving
9. #marker
10. #blank
11. #thought