1951
about 1953
Proofhouse.com has sn tables.
That Colt challenger was made in 1952.
A Colt challenger with that serial number was made in 1952.
Find a gunsmith
64210/c
You must call Colt with the serial number to find out.
about 1953
If the damage is not extensive, probably it can be repaired.
That depends... Colt or Browning? Colt Challenger run $350 to $500, depending on model. Browning Challenger runs $250 to $700, depending on model. You've got to be more specific....
No way to date without the sn. You will have to call Colt. 50-200 USD
Contact Colt Customer Service for a date of manufacture- no published data.