It was made in 1974. From 1969-1975 the first two numbers represented the year it was made. C means it was a Hi Power and the remaining digits are the serial number.
Browning did not break down the serial numbers of the hi-power from 1945-1954.At the end of 1954 they had made 72,250 guns and then started to register there serial numbers with production in...
That serial number falls into the range of numbers 1-72250 which I can say was assigned to the Browing Hi-power from 1945-1954,and the records were not kept as to the serial numbers per year of...