No serial number given.
That Colt frontier Bisley with sn 282698 was produced in 1906.
about 1913
Remington Model 550-1 does not have serial numbers.
the serial numbers are located on the left side of the barrel by the breach mine numbers on mine are 44678
about 1905
1901 to 1906
The Model 60 has been made since 1960. Serial numbers were not required until 1968. As a general rule, serial numbers are located on the receiver.
Army special & officers model officers model special single action army & bisley revolvers police positive .38 bankers special police positive special & detective special
Depends on condition. 100-1000 USD
Serial numbers not required before 1968.
There isn't one. That model was made in 1963 to 1968. Serial numbers weren't required back then, and having a gun that never had a serial number IS legal.