Check the frame
1899
You will have to call Colt to find out.
about 1905
Impossible to answer without a detailed description.
open the cyl and number is on the frame
The value of a 3220 WCF cartridge with serial number 7834 can vary based on factors like its condition, rarity, and market demand. Typically, vintage cartridges can range from $20 to several hundred dollars, depending on these factors. For a precise valuation, consulting a firearms appraiser or checking recent sales of similar items would provide the best estimate.
your colt single action army was made in 1901.
Proofhouse.com has Colt sn data.
my rifle is a 32 wcf serial number 344802
According to your serial number ..Your lever action was Manufactured in 1930. The letters wcf: Winchester Center Fire
Depends on condition. 100-1000 USD
1906.