The iver johnson cadet 55sa was made during the years 1961-1978.
My reference,s indicate that the Iver Johnson model 55sa cadet was only chambered for the .22cal rimfire cartridge.These 8 shot revolvers were made from 1961-1978.ther value is between 95-140 dollars.
I don't know when yours was made, but I bought mine, serial # B17548 in 1969. It still shoot good and is one of my "carry" pistols.
The Iver Johnson Cadet model 55SA was chambered in .22 rimfire caliber.It is a 8 shot revolver with a 2 1/2in barrel and 2 piece Tenite grips.these were made from 1961-1978.