Proofhouse.com has Colt sn data.
It was made in 1975
Made in 1964. First year of production.
According to info available on ar15.com, your weapon was manufactured in either late 1972 or early 1973. I own one made in 1974.
Eugene Stone, from the ArmaLite corporation. After that, Colt "bought" the project.
Made 1974 if sn reads SP33829. Value depends on condition. Range from 500-1000
colt fronter six shooter serial # 1186654
The Colt 1911 government model with that serial number was made in 1919,
A Colt 1903 hammerless .32 with that serial number was made in 1919.
Your colt was made in 1966.
Colt single action army with that serial number was made in 1910
A Colt police positive .22 with that serial number was made in 1914.
A Colt challenger with that serial number was made in 1952.