Your serial number indicates that your Hi-Standard model 101 Dura-matic was made in the year 1969.The serial numbers for that year are from 2,030,405-2,172,356.
1956 570,813 shipped 7/21/1956
With the serial number that you have provided,your Hi standard M-101,.22cal pistol was made in the year 1955.
1968 2,030,404 Above was first serial number for 1968. Following year began with 2,172,356.
Impossible to answer without a serial number.
Contact High Standard with the Serial Number and they will tell you when it was manufactured.