you are missing a number after the t that will be the model number
what year is my 32 us revolver co 32 sn 1812
1968. That year began with SN 2030404. 1969 began with SN 2172336.
You must call Browning. The sn you give does not conform to normal sn convention.
No sn data published
Proofhouse.com has sn data on Winchester
Proofhouse.com has Colt sn data.
Proofhouse.com has the sn data you are looking for.
Ruger's website has sn data you can access
No sn data published in English I know of.
Browning's web site has a sn search function.
Browning.com has a sn function under customer service.