Your serial number isn't quite right, please check it again, but it appears you have a Browning Challenger.
Try Browning.
1965.
You will have to call Browning to find out.
Browning Challenger made in 1974. $300-$400.
Do an internet search for 'Browning luggage case'
50-400 usd
Gunbroker.com... Search specific parts and be patient..
Rifle or pistol?
Depends on the condition and if you have the original box.
50-2000 usd
Mid 1970's.
1914-1955. Browning does not have sn's available.