Don't know value, but based on proofhouse.com a 273921LWwould have been made in 1968.Between 1950 & 1969 serial numbers had the suffix LW after the number and between 1969 & 1977, they had various prefixes A thru M. 1977 & 1978 had suffix R after the number.
what is a 1978 .38 special colt cobra serial #m52453 nickel plated with pearl handle worth?
colt cobra 38 special serial number 139350
1969/1970
That sn does not follow normal convention for the range Cobra's are in. Recommend you call Colt.
Made in 1969.
100-500 USD
made about 1952
50-500 usd
value depends on overall condition..................
your cobra made about 1953. value would depend on condition i.e, finish, grips, bore, etc.
Don't know value, but serial # H8xxxx shows it was produced in 1975. (H66001-H99999)
The value is around 900$.