colt cobra 38 special serial number 139350
1969/1970
value depends on overall condition..................
Your colt cobra (first issue) was made from 1950-1972.The value is going for between 120-250 dollars.
The value is around 900$.
made about 1952
50-500 usd
10-400 usd
Please try proofhouse.com for answer.
50-450 USD or so
100-500 USD
No way to value off the sn. 100-1000 USD range.