You will need to call Colt.
You will have to call Colt to find out.
Can't find date, but Colt Anaconda .44 was produced between 1990 &1999.
what is the manufacturing date fo a colt diamondback serial number O72239
In 1969.
Around 1976
about 1906
In 1972.
Proofhouse.com has Colt sn data.
Proofhouse.com has Colt sn data
1977
1956
Proofhouse.com has Colt sn data.