Value depends on a combination of many factors. You have only providided the model and serial number. Without a detailed description to include, finish, barrel length, grip material, sights, box, non orginal modifications, original paperwork and any accessories, only a general estimate can be given. This weapon would be in the 50-200 USD price range.
About 1957-58
1956 570,813 shipped 7/21/1956
1956
With the serial number that you have provided,your Hi standard M-101,.22cal pistol was made in the year 1955.
1954-58
1968 2,030,404 Above was first serial number for 1968. Following year began with 2,172,356.
Between 1971-1973.
Impossible to answer without a serial number.
Frame
With the serial number that you have provided,your Hi standard Model B was made by Hi Standard in the year 1936.
International Standard Serial Number
Your serial number indicates that your High Standard M-101 was made in the year 1956.