It is a lightweight. FN never made a standard weight 20ga. The were either Light 20 or Magnum 20.
Made in 1959 not 69
Impossible to answer without a detalied description of condition, finish, all features and markings.
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
our Hi-Standard Sport King dates to the year 1974 with the serial number provided.
Your serial number indicates that your High Standard M-101 was made in the year 1956.
Contact High Standard with the Serial Number and they will tell you when it was manufactured.
With the serial number that you have provided,your Hi-Standard R101 was made in the year 1957.
You did not provide the serial number.
international standard serial number
Frame
With the serial number that you have provided,your High Standard citation model 102 was made in the year 1958.