Daisy offers a free service to tell you more about your old Daisy. See the link below.
All I can tell you is the Air Gun was made by Daisy. The first 3 digits indicate the manufacture as Daisy. I suggest you contact Daisy directly, they offer a free service to tell you about your old Daisy. See the link below.
For Colt, go to proofhouse.com
The gun was made in 1908.
This gun was made in 2005
This gun was made in 1947
The gun was made in 1974.
The gun was made in 1955.
Blue Book of Gun Values
This gun was made in 1954
You cannot tell what the date of manufacture is based on the serial number of the gun alone. You must also know the model of the gun. For dates of manufacture for Winchester guns, go to: http://armscollectors.com/sn/windates.htm
The gun was made in 1928
The gun was made in 1959