National Firearms Company was a name used by at least 3 different companies. Your .22 was probably made when Marlin was using that name. Value will depend on condition, but is typically in the $75-$125 range.
National Firearms Company was a trade name used by Hopkins & Allen @ 1900.
You will have to take it to a gunsmith for a chamber cast
David Murdock, Dr. Mike Murdock's little brother.
The address of the Murdock Historical Society is: 12911 310Th St, Murdock, NE 68407
Murdock MacQuarrie's birth name is MacQuarrie, Murdock J..
Henry Murdock's birth name is Henry G Murdock.
No Did_Cindy_Price_marry_Mike_Murdock.
Christophe Murdock is 6' 7".
The web address of the Murdock Historical Society is: murdockmuseum.com
Cindy Murdock is married to David Murdock, Dr. Mike Murdock's little brother. Cindy and John Price got a divorce in 1976.
Victor Murdock has written: '\\'
Ernest Murdock died in 1926.